特徵描述
作者
WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I
型態特徵
Annual or perennial herbs, sometimes with stolons. Stems erect, ascending or decumbent. Leaves linear, lanceolate or ovate; sheath cylindrical. Prophyll sheathing, membranaceous, at base of branches. Inflorescence terminal, rarely axillary, a cincinnus, drepanium, thyrse or flower solitary. Flowers bisexual, or staminate, actinomorphic or zygomorphic, trimerous; sepals 3, green, persistent; petals 3, white, blue or purple, free or fused basally; stamens 6, all alike or heteromorphic with 2-3 fertile stamens and 3-4 staminodes, filaments glabrous or barbate; ovary superior, locules 1 or 2, style glabrous or barbate. Fruit a capsule, dehiscent, rarely indehiscent. Seeds uniseriate, rarely biseriate, embryostega lateral, semilateral, dorsal or apical, hilum punctiform or linear.
屬
About 40 genera with ca. 650 species, in warm regions. Eight genera with 19 species in Taiwan.
參考文獻
- WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I, Flora of Taiwan, second edition 5: 153. 2000. (Fl. Taiwan 2nd edit.)
- Hong, D. Y., Acta phytotaxonomica sinica eng 12(4): 459-488. 1974. (Acta Phytotax. Sin.)
- Hong, D. Y., Flora Reipublicae Popularis Sinicae 13(3): 69-133. 1997. (Fl. Reip. Pop. Sin.)
Murdannia 水竹葉屬
作者
WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I
型態特徵
Annual or perennial herbs, sometimes with stolons. Stems usually dimorphic: vegetative shoot acaulescent, erect; flowering shoots 1-several, ascending or decumbent. Leaves linear, lanceolate, or oblanceolate, cartilaginous, sometimes conduplicate. Prophyll sheathing, apex bifid. Inflorescences terminal, a single cincinnus or a thyrse or sometimes flower solitary. Flowers usually dimorphic. Functionally male flowers: style central, straight; pistil vestigial; stamens symmetrically arranged. Bisexual flowers: style curved to one side, stamens on opposite side; sepals free, lanceolate, boat shaped, equal; petals suborbicular, purple, fertile stamens 2 or 3, antesepalous, anthers purple to black, narrowly ellipsoid-oblong; filaments bearded, hairs moniliform; staminodes 3 or 4, usually unequal, when 4, one antesepalous with vestigial anther and bearded filament, others antepetalous, equal, antherodes trilobed, white or yellow, filaments bearded or glabrous; ovary ellipsoid, acutely 3-angled; style thickened toward base. Capsule trilocular, 3-valved, ellipsoid or oblong-ellipsoid, 3-angled, apex mucronulate. Seeds brown, deltoid, embryostega lateral or semilateral or dorsal, hilum linear or punctiform.
參考文獻
- WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I, Flora of Taiwan, second edition 5: 168. 2000. (Fl. Taiwan 2nd edit.)
- Peng, C. I., Quarterly journal of the Taiwan Museum 40(1): 51-56. 1987. (Quart. J. Taiwan Mus.)
