特徵描述
作者
LI, Sung-Po and HSIEH, Chang-Fu
型態特徵
Herbs, monoecious or rarely dioecious. Stems corn-like, elongate or almost none. Leaves in rosette or growing from the stem, arranged spirally, narrow, linear to lanceolate or filiform, petiole none. Flowers unisexual, borne in dense heads subtended by an involucre of bracts; heads solitary or in umbels; peduncles usually longer than the leaves, with a tubular bladeless sheath surrounded at base. Perianth in two series; sepals 2 or 3, free or connate; petals 2 or 3, united segments or absent; stamens as many or twice as many as the sepals, inserted on the petals. Ovary superior, 3-locular, sometimes 1- or 2-locular; style 1; stigma 3 or 1-2. Capsules membranous, loculicidally dehiscent; seeds small, smooth or reticulate.
屬
Thirteen genera, about 1200 species, found throughout the tropics and subtropics, and a few species grow in temperate regions, one genus in Taiwan.
參考文獻
- LI, Sung-Po and HSIEH, Chang-Fu, Flora of Taiwan, second edition 5: 181. 2000. (Fl. Taiwan 2nd edit.)
- Ma, W. L., Acta phytotaxonomica sinica eng 29(4): 289-314. 1991. (Acta Phytotax. Sin.)
- Zhang, Z. X., Diss. Bot. Band 313. 1999.
Eriocaulon 穀精草屬
作者
LI, Sung-Po and HSIEH, Chang-Fu
型態特徵
Annual or perennial monoecious herbs; stems corm-like, elongate or stemless; leaves in rosettes, narrow, linear to lanceolate or filiform, ribbonlike. Flowers: both sexes in the same head, 2- or 3- merous, subtended by a scale-like bract. Staminate flowers: sepals 2 or 3, free or connate; corolla tubular, distinctly or indistinctly 2- or 3-lobed, usually gland bearing; stamens 6, in two series. Pistillate flowers: sepals free or connate, petals free, rarely none. Ovary 1-3-locular; stigmas 2 or 3, simple. Seeds ellipsoid, surface reticulate.
參考文獻
種列表
- Eriocaulon angustulum 狹葉谷精草
- Eriocaulon buergerianum 連萼穀精草
- Eriocaulon cinereum 小穀精草
- Eriocaulon kainantense
- Eriocaulon longifolium
- Eriocaulon lustratum
- Eriocaulon nantoense 南投穀精草
- Eriocaulon nepalense 尼泊爾穀精草
- Eriocaulon odashimai 小田氏穀精草
- Eriocaulon sexangulare 大葉穀精草
- Eriocaulon sp.
- Eriocaulon taishanense 泰山穀精草
- Eriocaulon truncatum 菲律賓穀精草
