Myriophyllum 聚藻屬

作者

HUANG, TSENG-CHIENG

型態特徵

Herbs. Leaves opposite or verticillate. Flowers bisexual or unisexual, solitary or in spikes or panicles; calyx-tube adnate to the ovary, the lobes 2–4; stamens 2–8, the anthers basifixed, longitudinally split; ovary inferior, 1–4-locular; styles 2–4; ovules pendulous. Fruit a nut or drupaceous; seeds with endosperm.

屬

About seven genera, 100 species in the Tropics and temperate regions; two genera and three species in Taiwan.

參考文獻

HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 3: 971. 1993. (Fl. Taiwan 2nd edit.)

Myriophyllum 聚藻屬

作者

HUANG, TSENG-CHIENG

型態特徵

Soft aquatic herbs. Leaves verticillate, sessile, bipinnatifid. Flowers axillary, 3–4-fascicled or in terminal spikes, the staminate uppermost, the pistillate below; calyx-tube of staminate flowers very short, the lobes 2–4; petals minute or absent; ovary 2–4-locular; style 4; ovules solitary in each locule. Drupe 4-grooved, nut-like.

About 400 species in wet or aquatic places, two species in Taiwan.