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28. Hypoestes Solander ex R. Brown, Prodr. 474. 1810.
枪刀药属 qiang dao yao shu
Authors: Jia-qi Hu & Thomas F. Daniel
Shrubs or perennial herbs, decumbent to erect, with cystoliths. Leaves opposite, petiolate; leaf blade margin entire or dentate. Inflorescences of axillary or terminal bracteate spikes to panicles of spikes or of variously disposed cymes (these sometimes clustered in leaf axils); bracteoles usually 4, in 2 to rarely more pairs, distinct or connate, inner pair sometimes partially adnate to outer pair, forming an involucre enclosing 1 or sometimes more flowers. Calyx small, usually obscured by bracteoles, scarious or membranous, 5-lobed; lobes equal or subequal in length. Corolla rose-pink, purplish, or whitish, resupinate 180° by torsion of tube; tube subcylindric to expanded distally into a narrow throat; limb 2-lipped; lower lip (in upper position) shallowly 3-lobed; upper lip (in lower position) subentire or shallowly 2-lobed; lobes ascending cochlear in bud. Stamens 2, inserted near apex of corolla tube, exserted from mouth of corolla; anthers 1-thecous; theca muticous. Ovary with 2 ovules per locule; style exserted from mouth of corolla; stigma 2-lobed, lobes equal or unequal. Capsule stalked, 2-4-seeded; retinacula present. Seeds smooth or ornamented.
About 150 species: Old World; three species in China.
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| 1 |
Outer bracteoles connate for more than half their length, forming a conspicuous tube; capsule glabrous. |
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1 H. purpurea |
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Outer bracteoles inconspicuously connate only at base if at all, not forming a conspicuous tube; capsule pubescent |
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(2) |
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| 2 (1) |
Outer bracteoles 2.5-4 mm, lanceolate-subulate to linear. |
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2 H. cumingiana |
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Outer bracteoles 7-17 mm, elliptic to obovate to oblanceolate. |
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3 H. triflora |
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Lower Taxa
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