Commelinaceae
鴨跖草科
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. 2000. Flora of Taiwan, second edition 5: 153. (Fl. Taiwan 2nd edit.)
- Hong, D. Y. 1974. Acta phytotaxonomica sinica eng 12(4): 459-488. (Acta Phytotax. Sin.)
- Hong, D. Y. 1997. Flora Reipublicae Popularis Sinicae 13(3): 69-133. (Fl. Reip. Pop. Sin.)
Rhopalephora 毛果竹葉菜屬
作者
WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I
型態特徵
Perennial herbs. Roots fibrous. Stems branched, ascending. Leaves spirally arranged or distichous, sessile or petiolate; sheaths entire, ciliate at apex. Inflorescences thyrses, terminal; bracts deltoid; bracteoles deltoid, perfoliate. Flowers pedicellate; sepals 3, free, persistent, concave; petals 3, subequal, clawed; stamens 6, dimorphic; fertile stamens 3, anticous; staminodes 3, posticous, bilobed; ovary globose; style simple, glabrous. Capsules bivalved, bilocular or unequally trilocular, gray or brown. Seeds with farinose granules, embryostega lateral, hilum linear.
Species ca. 4, the distribution from India and Sri Lanka throughout southeast Asia to New Guinea and the Fiji Island, Madagascar; one species in Taiwan.
參考文獻
- WANG, Jenn-Che, CHEN, Yo-Jiun, and PENG, Ching-I. 2000. Flora of Taiwan, second edition 5: 177. (Fl. Taiwan 2nd edit.)
- Faden, R. B. 1991. Smithsonian Contr. Bot. 76: 1-166.
