Gymnosiphon 小水玉簪屬
作者
OHASHI, Hiroyoshi, LEOU, Chong-Sheng and HSIEH, Tsung-Hsin
型態特徵
Annual or perennial, saprophytic or autotrophic herbs. Leaves usually spread or alternate, simple, without stipules, cauline leaves mostly reduced to scales, sometimes well developed and crowded at base of stem. Flowers solitary or in capitate or cymose inflorescence, hermaphrodite, usually actinomorphic. Perianth consisting of 2 whorls. Stamens 3 or 6, each with a connective. Ovary inferior, 1-celled with parietal placentation or 3-celled with axile placentation. Ovules numerous, anatropous, with 2 integuments. Fruit usually capsular, sometimes fleshy, crowned by persistent perianth-tube and style, or by a basal perianth-tube, dehiscing irregularly or with transverse slits at top. Seeds numerous, with endosperm.
屬
The family consists of 16 genera ca. 160 species. Widespread except Europe, mostly tropical, north to Japan and E. USA, south to New Zealand. Two genus in Taiwan.
參考文獻
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Jonker, F. P., Flora Malesiana ser. I. 4: 13-26. 1948.
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Wu, T. L. & S. J. Chen, Flora Reipublicae Popularis Sinicae 16: 169-175. 1981. (Fl. Reip. Pop. Sin.)
Gymnosiphon 小水玉簪屬
作者
OHASHI, Hiroyoshi, LEOU, Chong-Sheng and HSIEH, Tsung-Hsin
型態特徵
Saprophytes, annual, without chlorophyll. Leaves scale-like. Perianth-tube cylindric, not winged; perianth-segments 6: outer 3 broad, inner ones much smaller, upper part of perianth-tube circumsciss just below the stamens and falling off together with the stamens and the top of the style; ovary 1-celled; placentae parietal; style filiform, branching into 3 short branches, each bearing a stigma. Capsule crowned by the persistent perianth tube. Seeds ovoid to globose, reticulate.
About 30 species in tripics of both hemispheres, not in Australia. One species in Taiwan.
