討論:黃麻

山羊百科，林文智老師的植物、山岳、攝影紀錄

2. Corchorus capsularis L. 黃麻

An undershrub, glabrous, erect, 1.0-2.5 m high, much branched; stems usually purplish; branches elongated. Leaves membranaceous, oblong or ovate-lanceolate, 4-14 cm long, 0.75-5.5 cm wide, narrowly acuminate or acute at apex, rounded at base, serrate, bitailed, 3-nerved, glabrescent on both surfaces; petioles pubescent, especially above, 0.5-6 cm long; stipules 2, linear, 0.5-0.8 cm long. Flowers 4 mm long, caulifloral on internodes, (1-) 2(3-5) together, umbellate; peduncles very short; pedicels short, less than 1 mm long; buds brown obovate; sepals 5, often purplish, lanceolate, 3 mm long; petals 5, yellow, obovate, 4.0-6 mm long; gonophore short, glandless; stamens many; filaments 3 mm long; ovary obconical, truncate-impressed at apex; style slim, 1.5 mm long; stigma enlarged. Capsules globose-obovoid, impressed, not beaked at apex, up to 7.0-13 mm in diameter, deeply longitudinally grooved, cross-rugose, coarsely warty, muricate, 5(-6)-valved; seeds 2-seriate, separated by obscure ridges in every cell, 2.5 mm long, irregularly semiglobose.

Wild in the Tropics, commonly cultivated. Taiwan, in open, waste places and cultivated lands. Flowering between October and January.

TAIPEI: Kuting, Shimada s. n. 1913; Peitou, Shimada s. n. 1918; Shuiyuanti, Umetani s. n. 1928; Wulai, Shimada s. n. 1912. TAINAN: Kawakami s. n. 1914. KAOHSIUNG: Wuweishan, Matuda s. n. 1919. PINGTUNG: Matuda 1271. TAITUNG: Peinan, Yamamoto 3625.