| 学名(拉丁名) | Helicteres prostrata |
| 命名人 | S. Y. Liu (accepted name) |
| 拉丁属名 | Helicteres |
| 类型 | species |
| 拉丁科名 | Malvaceae |
| 学名(拉丁名) | Helicteres prostrata |
| 命名人 | S.Y. Liu |
| 发表年份 | 1999(年) |
| 拉丁属名 | Helicteres |
| 类型 | species |
| 拉丁科名 | Malvaceae |
| 学名(拉丁名) | Helicteres prostrata |
| 中文名 | 平卧山芝麻 |
| 拉丁属名 | Helicteres |
| 类型 | species |
| 拉丁科名 | Sterculiaceae |
| 学名(拉丁名) | Helicteres prostrata |
| 中文名 | 平卧山芝麻 |
| 中文科名 | 梧桐科 |
| 拉丁属名 | Helicteres |
| 类型 | species |
| 拉丁科名 | Sterculiaceae |
| 中文属名 | 山芝麻属 |
| 学名(拉丁名) | Helicteres prostrata |
| 发表年份 | 1999(年) |
| 拉丁属名 | Helicteres |
| 类型 | species |
| 拉丁科名 | Malvaceae |
Subshrub, ca. 0.45 m tall, stems many-branched, prostrate. Branchlets brown stellate pilose, glabrescent. Stipules linear, 3-4 mm, stellate pilose; petiole 2-4 mm, stellate pilose; leaf blade oblong or ovate-oblong, rarely circular, 2-3.5 × 1.1-3.5 cm, abaxially grayish white, densely brown stellate pilose, adaxially dark green, glabrous, basal veins 5, abaxially prominent, adaxially flat or slightly concave, base rounded or almost cordate, margin denticulate along apical half, ciliate, apex obtuse. Inflorescences 1 or 2 per axil, 2-5-flowered; bracts and epicalyx lobes linear. Calyx 5-7 mm, 5-lobed, densely stellate pilose, lobes triangular. Petals 5, purplish, slightly unequal, ca. 1 cm, fan-shaped with narrow claw, margin often 1- or 2-toothed at apex of claw, abaxially pilose, adaxially densely villous. Androgynophore ca. 5 mm, villous at base. Staminodes broadly lanceolate, scalelike. Ovary ovoid-globose, densely pilose; style ca. 1 mm. Capsule not seen. Fl. Jun-Jul.
Guangxi (Tiandong).
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