Elatostema subcoriaceum
近革葉樓梯草
endemic
Elatostema subcoriaceum Shih & Yang
名彙資訊
特徵描述
典藏標本
數位照片
分布位置
相關資訊
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名彙資訊
學名發表文獻
Shih & Yang, Botanical bulletin of Academia Sinica 36: 272. fig. 8. 1995. (Bot. Bull. Acad. Sin., 中央硏究院植物學彙刊)
台灣首次記錄發表文獻
同發表文獻
異名
無
各語言俗名
無
特徵描述
生活型
herb
形態特徵
- Perennial herbs; stems subterete, aggregated, stout, erect or ascending.
- Leaves chartaceous to subcoriaceous, asymmetrically narrowly elliptic to elliptic, 6-24 cm long, 3-8 cm wide, basiscopic half rounded at base, margins dentate or crenate, acroscopic half entire at least halfway to base, apex long acuminate to caudate, usually entire, sometimes 1-2-denticulate; petioles glabrous, to 1 cm long; stipules 2, lanceolate, triangular or narrowly elliptic, to 14 mm long, 3 mm wide.
- Male inflorescences subsessile to short pedunculate, nearly glabrous, elliptic-discoid; peduncles to 10 mm long. Female inflorescences sessile or subsessile, slightly puberulent outside, elliptic-discoid, to 12 mm long, 6 mm wide; bracts slightly puberulent, connate and forming an oblong involucre. Male flowers obovoid; bracteoles cymbiform; sepals 5, valvate, elliptic-cymbiform. Female flowers pedicellate; bracteoles lanceolate; sepals 5, rudimentary; staminodes 5; ovary oblong.
- Achenes with 6 obscure ribs, oblong, densely brown-spotted.
物候
Flowering July to October.
分布
- 台灣 : Lanyu Island and at Hualien at low altitudes, ravines and on moist forest floors.
引證標本
TAITUNG: Lanyu, Shih 3163; Chang 17800. HUALIEN: Chimay, Shih 3094.
引用文獻
典藏標本
共有 1 份典藏標本 所有標本模式標本
234341
B.L.Shih
台東 Taitung
B.L.Shih
台東 Taitung
共有 1 份典藏標本所有標本模式標本
234341
B.L.Shih
台東 Taitung
B.L.Shih
台東 Taitung