|
|
|
13. Oxytropis sect. Eumorpha Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 22(1): 59. 1874.
长荚棘豆组 chang jia ji dou zu
Herbs, acaulescent or subacaulescent with a very short stem. Leaves imparipinnate; leaflets not whorled. Racemes many flowered (rarely only 5-10-flowered); peduncle typically much longer than leaves (shorter in Oxytropis avisoides). Legume sessile, subsessile, or with a 1.5-5 mm stipe; body cylindric, ellipsoid, ovoid, or subspherical, scarious or membranous.
About 45 species: China, Himalayas, Kazakhstan, Kyrgyzstan, Mongolia, Russia, Tajikistan, Turkmenistan, Uzbekistan; S and SW Asia; 17 species (ten endemic) in China.
|
|
|
|
| 1 |
Plants (including leaves and racemes) not or seldom exceeding 10 cm tall |
|
(2) |
| + |
Plants (including leaves and racemes) at tallest point mostly exceeding 10 cm tall |
|
(6) |
| |
|
|
|
| 2 (1) |
Leaves 0.5-1 cm; calyx 2.5-3 mm. |
|
95 O. holanshanensis |
| + |
Leaves 1.5-11 cm; calyx (3.5-)4-6 mm |
|
(3) |
| |
|
|
|
| 3 (2) |
Plants 5-13(-20) cm tall; leaflet blades 5-15 mm; beak of corolla keel (0.7-)1.5-2 mm; legume body 0.8-0.9 cm. |
|
90 O. pagobia |
| + |
Plants 1-5 cm tall; leaflet blades 2-5 mm; beak of corolla keel (0.4-)0.5-1 mm; legume body 1-1.3 cm (unknown for O. baxoiensis) |
|
(4) |
| |
|
|
|
| 4 (3) |
Racemes 5-10-flowered; beak of corolla keel ca. 0.5 mm; leaves 9- or 11-foliolate. |
|
91 O. baxoiensis |
| + |
Racemes 2-5-flowered; beak of corolla keel (0.4-)0.8-1 mm; leaves (11 or)13-25(-29)-foliolate |
|
(5) |
| |
|
|
|
| 5 (4) |
Leaves (11 or)13- or 15-foliolate; calyx 4(-4.8) mm; corolla standard (6.5-)8-10 mm, keel beak (0.4-)0.8 mm; legume body ca. 1.3 cm. |
|
98 O. saposhnikovii |
| + |
Leaves 17-25(-29)-foliolate; calyx 4-6 mm; corolla standard 9-12 mm; keel beak ca. 1 mm; legume body ca. 1 cm. |
|
99 O. krylovii |
| |
|
|
|
| 6 (1) |
Calyx 10-15 mm |
|
(7) |
| + |
Calyx 2.5-7 mm |
|
(8) |
| |
|
|
|
| 7 (6) |
Leaves (19 or)21-37-foliolate; corolla standard (1.6-)1.7-2(-2.2) cm, keel beak ca. 1 mm. |
|
87 O. alpina |
| + |
Leaves 13- or 15-foliolate; corolla standard ca. 1.5 cm, keel beak 2-2.5 mm. |
|
88 O. pseudofrigida |
| |
|
|
|
| 8 (6) |
Peduncle 2-3 cm. |
|
92 O. avisoides |
| + |
Peduncle 5-40 cm |
|
(9) |
| |
|
|
|
| 9 (8) |
Calyx 5.3-7 mm |
|
(10) |
| + |
Calyx 3-5 mm |
|
(11) |
| |
|
|
|
| 10 (9) |
Leaves 19-35-foliolate; leaflet blades 1.9-2.8 cm; pedicel 17-40 cm; calyx lobes 2.3-3.5 mm; corolla standard ca. 1.6 cm. |
|
86 O. qitaiensis |
| + |
Leaves 11-19-foliolate; leaflet blades 0.4-1 cm; pedicel 10-15 cm; calyx lobes 1.5-2 mm; corolla standard 1.2-1.5 cm. |
|
93 O. ladyginii |
| |
|
|
|
| 11 (9) |
Beak of corolla keel 2-3 mm |
|
(12) |
| + |
Beak of corolla keel 0.5-2 mm |
|
(13) |
| |
|
|
|
| 12 (11) |
Plants 6-15 cm tall; racemes dense and globose; legume with a 1.5-2 mm stipe. |
|
89 O. globiflora |
| + |
Plants to 30 cm tall; racemes lax; legume subsessile. |
|
101 O. caerulea |
| |
|
|
|
| 13 (11) |
Calyx lobes 1.5-2.5 mm. |
|
100 O. imbricata |
| + |
Calyx lobes 0.4-1.3 mm |
|
(14) |
| |
|
|
|
| 14 (13) |
Peduncle 15-25 cm; racemes to 20 cm; calyx lobes ca. 1.3 mm. |
|
96 O. merkensis |
| + |
Peduncle 5-15 cm; racemes to 15 cm; calyx lobes 0.4-1.2(-1.3) mm |
|
(15) |
| |
|
|
|
| 15 (14) |
Leaves at least some of them more than 25-foliolate. |
|
94 O. filiformis |
| + |
Leaves 25-foliolate or fewer |
|
(16) |
| |
|
|
|
| 16 (15) |
Calyx 3-3.5 mm, lobes ca. 1 mm; bracts 1.5-4 mm; legume ca. 2 mm in diam.. |
|
97 O. tashkurensis |
| + |
Calyx ca. 4 mm, lobes ca. 1.2 mm; bracts 0.7-1.5 mm; legume 2.5-4.5 mm in diam.. |
|
102 O. fragiliphylla |
|
|
|
List of lower taxa
| Related Links (opens in a new window) |
|
Other Databases
|
|
|
|
|
|
|
|
|
