討論:粉藤屬

山羊百科，林文智老師的植物、山岳、攝影紀錄

3. CISSUS L. 粉藤屬

Deciduous or evergreen shrubs climbing by tendrils, rarely herbs with tuberous roots. Leaves alternate, more or less fleshy, simple or compound. Flowers perfect of polygamo-monoecious, 4-merous, in usually umbel-like cymes, opposite a leaf or terminal. Petals expanding; disc cupular, 4-lobed or of 4 distinct glands; ovary globose; styles filiform with a minute stigma. Fruit a 1-2-seeded berry.

KEY TO SPECIES

1. Leaves compound, pedately 5-foliolate, glabrous… 2. C. lanyuensis

1. Leaves simple.

2. Plants glabrous throughout.

3. Stems terete; leaves broadly ovate, 5.5-10 cm wide, somewhat glaucous beneath… 4. C. repens

3. Stems 4-angular, with broad wings at the angles; leaves long-ovate or cordate, 3-5 cm wide, glabrous but not glaucous beneath… 3. C. pteroclada

2. Plants clothed with a rust-colored pubescence; stems terete or slightly furrowed; leaves orbicular-cordate… 1. C. adnata