特徵描述
作者
YING, Shao-Shun
型態特徵
Shrubs or perennial stout herbs; rhizome subterranean; stem woody or not, short or elongate. Leaves usually aggregated at base of stem or occasionally crowded at apex of branches; blade fleshy to coriaceous, often spine-tipped or with spiny margins. Flowers bisexual or unisexual, actinomorphic to zygomorphic, in racemes, spikes or panicles, sometimes in a large thyrse; perianth free or more or less highly connate; tube short to rather long; segments 6, equal to subequal; stamens 6, arising from perianth tube or from base of perianth segments, filaments free, anthers medifixed, linear, 2-celled; cells longitudinally dehiscent; ovary superior to inferior, 3-locular, placentation axile, or rarely 1 locular; ovules 2-numerous, 1-2-seriate superposed, rarely solitary; style and stigmas various. Fruit a loculicidally dehiscent capsule or baccate, or dry and indehiscent; seeds one to many, globose or somewhat compressed.
屬
About 18 genera, more than 500 species mainly in tropical and subtropical regions of the world; four genera, native and introduced, in Taiwan.
參考文獻
Cordyline 朱蕉屬
作者
YING, Shao-Shun
型態特徵
Shrubs or subshrubs, stem erect, woody, branched upward. Leaves crowded at apex of branches, often large, lanceolate to oblong, sessile to petiolate. Flowers numerous, white to violet, in axillary widely branched panicles; floral bracts scarious; perianth segments 6, oblong to lanceolate, sometimes linear, sometimes connate or coherant at base; stamens 6, inserted on perianth; filaments slender, filiform; anthers medifixed, ovary superior, sessile, 3-celled, ovules 4-numerous in each cell, style slender, stigma capitate or slightly 3-lobed. Fruits fleshy, globose or slightly 3-lobed, tardily dehiscent to indehiscent; seeds black, lustrous.
