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7. Carex sect. Hemiscaposae C. B. Clarke, J. Linn. Soc., Bot. 37: 4. 1904.
花葶薹草组 hua ting tai cao zu
Authors: Shuren Zhang, Tetsuo Koyama & Gordon C. Tucker
Culms lateral. Leaves basal and 1 or 2 on upper part of culm. Radical leaves with sheath elongate, pipelike; leaf blade lanceolate or narrowly elliptic, narrowed toward both ends; culm leaves much reduced, sheathlike. Inflorescence paniculate; partial panicles subtended by a sheathlike bract bearing a short blade much surpassed by the subtended partial panicle. Spikes androgynous.
Ten to 12 species: S China, India, Laos, Vietnam; nine species (six endemic) in China.
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| 1 |
Inflorescence branches with 1 or 2(or 3) spikes; leaf blade replicate; utricle with many raised veins |
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(2) |
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Inflorescence branches with 10 or more to numerous spikes; leaf blade flat; utricle only with 2 lateral veins abaxially |
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(3) |
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| 2 (1) |
Inflorescence branches single, rarely binate; spike linear-cylindric; basal leaf single. |
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30 C. kucyniakii |
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Inflorescence branches binate or ternate; spike oblong; basal leaves 2 or 3 tufted. |
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31 C. peliosanthifolia |
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| 3 (1) |
Panicle simple, usually with only 1 terminal branch, rarely with 1 or 2 lateral branches; culms soft |
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(4) |
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Panicle compound, with several branches; culms rigid |
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(5) |
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| 4 (3) |
Leaf blade linear, margins flat; male part of spike cylindric, 3-5 × ca. 1 mm; culms hairy and later glabrescent. |
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28 C. ypsilandrifolia |
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Leaf blade narrowly elliptic, margins replicate; male part of spike circular or oblong, 2.5-4 × ca. 3 mm; culms hairy. |
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29 C. lingii |
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| 5 (3) |
Inflorescence branches paniculate; male part of spike linear-lanceolate or linear |
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(6) |
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Inflorescence branches subcorymbose; male part of spike circular, oblong, or oblong-cylindric |
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(7) |
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| 6 (5) |
Male glume 1-1.5 mm; nutlet ovoid, style base conic. |
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24 C. damiaoshanensis |
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Male glume 3-3.5 mm; nutlet elliptic, style base not conic. |
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23 C. scaposa |
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| 7 (5) |
Leaf blade linear or linear-oblanceolate; utricle ovate, beak only ca. 1/4 length of utricle. |
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27 C. liouana |
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Leaf blade narrowly elliptic, narrowly elliptic-lanceolate, or narrowly elliptic-oblanceolate, rarely narrowly elliptic-linear; utricle elliptic, beak slightly shorter than 1/2 length of utricle |
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(8) |
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| 8 (7) |
Leaf blade margins densely ciliate; petiole loosely or densely hairy; nutlet elliptic. |
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25 C. densifimbriata |
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Leaf blade margins smooth; petiole glabrous; nutlet ovate. |
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26 C. adrienii |
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Lower Taxa
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