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4. Cyanotis D. Don, Prodr. Fl. Nepal. 45. 1825.
[nom. cons.]
蓝耳草属 lan er cao shu
Amischophacelus R. S. Rao & Kammathy.
Herbs annual or perennial, erect or creeping. Rhizomes absent. Leaves alternate. Cincinni sessile, subtended by spathelike involucral bracts; bracts imbricate, 2-seriate, falcate-curved. Flowers actinomorphic. Sepals free or connate only at base. Petals connate and tubular in middle, free at both ends, purple, blue, or white, linear-lanceolate. Stamens 6, all fertile, equal; filaments lanate, rarely glabrous; anther locules longitudinally dehiscent. Ovary 3-loculed; ovules 2 per locule. Capsule 3-valved, obovoid- or broadly oblong, trigonous. Seeds 1 or 2 per valve, cylindric or quadrangular, reticulate or pitted; hilum at adjoining end of 2 seeds.
About 50 species: tropical and subtropical Africa and Asia to N Australia; five species in China.
The petals are often described as connate basally; they are actually connate only in the middle part, but free at both ends.
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| 1 |
Cincinni much reduced, with 3--6 flowers, enveloped in leaf sheath |
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5 Cyanotis axillaris |
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Cincinni with more flowers, subtended by spathelike bracts. |
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(2) |
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| 2 (1) |
Basal leaves rosulate; leaves, involucral bracts, and bracts usually densely arachnoid; roots 1--1.5 mm in diam. |
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2 Cyanotis arachnoidea |
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Basal leaves not rosulate; leaves, involucral bracts, and bracts hirsute or pubescent, rarely sparsely arachnoid; roots much thinner. |
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(3) |
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| 3 (2) |
Leaf blade usually narrowly oblong; cincinni numerous flowered, semicircular, obviously cristate; bracts to 7 mm wide, sparsely multicellular ciliate |
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3 Cyanotis cristata |
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Leaf blade linear or linear-lanceolate; cincinni not cristate; bracts much narrower, not ciliate. |
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(4) |
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| 4 (3) |
Plants with bulbs; seeds obviously striate and also finely reticulate |
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1 Cyanotis vaga |
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Plants without bulbs; seeds only finely reticulate |
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4 Cyanotis loureiroana |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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