Commelinaceae

鴨跖草科

APG 4

Commelinaceae 鴨跖草科

特徵描述

屬列表

標本列表

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.)

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.