1 |
Flowers 2-merous; ovary 2-loculed but sometimes only 1 locule developed |
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35 ERIOCAULON decemflorum |
+ |
Flowers 3-merous but sometimes parts fused or degenerate; ovary 3-loculed or 1 or 2 locules not developed. |
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(2) |
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2 (1) |
Sepals of female flowers connate at base or spathelike, apex 3-lobed. |
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(3) |
+ |
Sepals of female flowers free (sometimes ± connate in E. tonkinense). |
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(11) |
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3 (2) |
Ovary 1(or 2)-loculed. |
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(4) |
+ |
Ovary 3-loculed. |
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(5) |
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4 (3) |
Scapes 20--35 cm; leaves 4--12 cm; sheath 3--7 cm |
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33 ERIOCAULON faberi |
+ |
Scapes ca. 3.5 cm; leaves 1--2.8 cm; sheath 0.6--1.7 cm |
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34 ERIOCAULON mangshanense |
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5 (3) |
Floral bract abaxially white clavate hairy toward apex. |
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(6) |
+ |
Floral bract glabrous, glabrescent, margin villous, or abaxially shortly hairy toward apex. |
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(7) |
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6 (5) |
Receptacle usually densely villous; head straw-colored, 3--5 × 4--5 mm; involucral bracts orbicular to obovate, 2--2.5 mm; seed prickles T-shaped |
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26 ERIOCAULON buergerianum |
+ |
Receptacle glabrous or with very few short hairs; head yellowish green, ca. 2.5 × 4 mm; involucral bracts broadly ovate, 1.5--2 mm; seed prickles linear, apex truncate or 2-branched |
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30 ERIOCAULON chinorossicum |
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7 (5) |
Leaves 0.5--0.7 mm wide at middle |
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32 ERIOCAULON minusculum |
+ |
Leaves 1--5 mm wide at middle. |
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(8) |
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8 (7) |
Petals of female flowers glabrous |
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31 ERIOCAULON glabripetalum |
+ |
Petals of female flowers adaxially villous. |
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(9) |
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9 (8) |
Leaves 1--1.5 mm wide at middle, 4--7-veined; involucral bracts lanceolate to linear-lanceolate, 3.5--7.3 mm |
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27 ERIOCAULON miquelianum |
+ |
Leaves 2--5 mm wide at middle, 7--20-veined; involucral bracts ovate to oblong, 1.5--2 mm. |
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(10) |
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10 (9) |
Leaf veins 12--20; heads turbinate; seed prickles 1 or 2(--4) per cell |
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28 ERIOCAULON alpestre |
+ |
Leaf veins 7--12; heads subglobose; seed prickles 2--4 per cell |
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29 ERIOCAULON robustius |
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11 (2) |
Petals of female flowers absent. |
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(12) |
+ |
Petals of female flowers present. |
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(14) |
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12 (11) |
Apex of involucral bracts acuminate to caudate; sepals of female flowers winged |
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22 ERIOCAULON echinulatum |
+ |
Apex of involucral bracts obtuse to acute; sepals of female flowers wingless. |
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(13) |
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13 (12) |
Sepals of male flowers spathelike, apex 3-cleft; anthers white to milky white or dusky; leaves ca. 1 mm wide at middle |
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20 ERIOCAULON cinereum |
+ |
Sepals of male flowers tubular at base, apex 2-cleft; anthers blackish; leaves 1.8--2 mm wide at middle |
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21 ERIOCAULON taishanense |
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14 (11) |
Sepals of female flowers usually 2, sometimes 3 on flowers near edge of inflorescence. |
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(15) |
+ |
Sepals of female flowers 3 (rarely 2 in E. sexangulare). |
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(16) |
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15 (14) |
Leaves 6--8 cm, subleathery; scapes 1 or 2, 7-ribbed |
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19 ERIOCAULON sclerophyllum |
+ |
Leaves 2--5 cm, herbaceous or membranous and conspicuously fenestrate; scapes 5--10, (4 or)5(or 6)-ribbed |
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18 ERIOCAULON truncatum |
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16 (14) |
Stem elongate. |
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(17) |
+ |
Stem not elongate. |
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(18) |
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17 (16) |
Leaves ca. 0.2 mm wide at middle, 1-veined; sheath 2--2.5 cm; heads ca. 3 mm in diam.; involucral bract ca. 1 mm |
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10 ERIOCAULON setaceum |
+ |
Leaves 3--5 mm wide at middle, 12--28-veined; sheath 3--6 cm; heads ca. 5 mm in diam.; involucral bract 2--2.7 mm |
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12 ERIOCAULON nepalense |
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18 (16) |
Floral bracts abaxially white clavate hairy toward apex. |
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(19) |
+ |
Floral bracts glabrous, ciliate, or abaxial hairs not white and clavate. |
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(27) |
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19 (18) |
Involucral bracts villous at least at base abaxially. |
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(20) |
+ |
Involucral bracts glabrous or subglabrous. |
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(21) |
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20 (19) |
Leaves 4--6 mm wide; involucral bracts oblong, 3.5--4 × 2.2--3.6 mm; lateral sepals wingless |
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6 ERIOCAULON brownianum |
+ |
Leaves 2--3 mm wide; involucral bracts orbicular-reniform to ovate, 2--2.5 × 2--2.5 mm; lateral sepals winged |
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7 ERIOCAULON australe |
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21 (19) |
Involucral bracts brownish, suborbicular |
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3 ERIOCAULON angustulum |
+ |
Involucral bracts straw-colored (sometimes blackish at apex), elliptic, ovate, or obovate. |
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(22) |
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22 (21) |
Gland of male flower petals absent, inconspicuous, or present only on lateral petals. |
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(23) |
+ |
Gland of male flower petals present. |
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(24) |
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23 (22) |
Leaves 3--3.5 mm wide at middle; sheath 5.5--8 cm |
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1 ERIOCAULON acutibracteatum |
+ |
Leaves 1--1.8(--3) mm wide at middle; sheath 2.5--4 cm |
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2 ERIOCAULON nantoense |
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24 (22) |
Heads white, usually with black, triangular patches, 5--6 mm in diam. |
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9 ERIOCAULON schochianum |
+ |
Heads black or blackish, 3--5 mm in diam. |
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(25) |
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25 (24) |
Anthers milky white to brownish; seed prickles absent |
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14 ERIOCAULON tonkinense |
+ |
Anthers black; seed prickles linear. |
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(26) |
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26 (25) |
Leaves 1--1.8(--3) mm wide at middle; heads 3.5--5 mm in diam. |
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2 ERIOCAULON nantoense |
+ |
Leaves ca. 3 mm wide at middle; heads 3--3.5 mm in diam. |
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11 ERIOCAULON sollyanum |
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27 (18) |
Receptacle glabrous or subglabrous. |
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(28) |
+ |
Receptacle sparsely to densely hairy. |
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(30) |
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28 (27) |
Sepals of male flowers laterally winged; seed prickles T-shaped |
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8 ERIOCAULON sexangulare |
+ |
Sepals of male flowers wingless; seed prickles absent. |
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(29) |
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29 (28) |
Sepals of female flowers keeled; petals of female flowers glabrous, apex emarginate |
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15 ERIOCAULON kunmingense |
+ |
Sepals of female flowers not keeled; petals of female flowers adaxially villous at center, apex acute |
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16 ERIOCAULON leianthum |
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30 (27) |
Male and female flower petals with a gland (sometimes gland on only 2 petals of female flowers in E. henryanum). |
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(31) |
+ |
Male and female flower petals without a gland (occasionally gland present on lateral petals of female flowers in E. rockianum). |
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(32) |
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31 (30) |
Leaves 4--8 cm; scapes 1--4; sheath 4--9 cm |
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4 ERIOCAULON henryanum |
+ |
Leaves ca. 2.3 cm; scapes 5--23; sheath 2--2.3 cm |
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23 ERIOCAULON parvum |
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32 (30) |
Floral bracts glabrous, shortly hairy, or margin ciliate. |
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(33) |
+ |
Floral bracts villous, hoary, or hispid. |
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(34) |
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33 (32) |
Involucral bracts 2.2--2.5 mm; male flower petals usually glabrous |
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17 ERIOCAULON zollingerianum |
+ |
Involucral bracts ca. 2 mm; male flower petals hoary or white clavate hairy |
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25 ERIOCAULON ermeiense |
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34 (32) |
Sheath 5.5--10 cm; involucral bracts 3--4 × 2.5--3 cm; floral bracts hispid; seed prickles setiform, 2 or 3 from transverse wall and 1 from longitudinal wall |
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24 ERIOCAULON oryzetorum |
+ |
Sheath 1--5 cm; involucral bracts 2--3 × 1.3--2 cm; floral bracts villous or hoary; seed prickles oblong or linear. |
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(35) |
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35 (34) |
Sheath 1--2.5 cm; heads ca. 2 mm; involucral bracts ca. 2.2 mm, membranous; floral bracts villous; prickles oblong |
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5 ERIOCAULON rockianum |
+ |
Sheath 2.5--5 cm; heads 3.5--5 mm; involucral bracts 2.5--3 mm, papery; floral bracts hoary; prickles linear |
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13 ERIOCAULON luzulifolium |