討論:金石榴屬

山羊百科，林文智老師的植物、山岳、攝影紀錄

4. BREDIA Blume 金石榴屬

Shrubs, erect or scandent; branches terete or subterete, glabrous or densely hirsute. Leaves opposite, ovate-attenuate or rounded or cordate, glabrous or pubescent. Flowers cymose paniculate or few or rarely solitary; calyx-tube funnel-shaped, adentate or lobed at the apex; petals 4, broad; stamens 8, unequal, the anthers elongated, with a pore at the top, the connectives produced below into two tubercles in front, sometimes short!y spurred at the back; ovary 4-celled, adnate to the calyx-tube and a ring-shaped glandular disc on the upper portion; style filiform; stigma usually disc-like. Capsule obconical-ovoid, loculicidally ovalved; seeds numerous, straight. Species about 30, southern China, Taiwan, the Ryukyus and southern Japan; three species and one variety in Taiwan.

KEY TO SPECIES

1. Branch with dense straight hairs at the upper portion; leaf base cordate, rarely rounded.

2. Branch with dense long hairs at the upper portion; leaves acuminate at the apex; pedicels with dense glandular hairs; inflorescence cymose-paniculate, peduncles comparatively short; longer stamens without protrusion at the base of posterial part of anther… 2b. B. hirsuta var. scandens

2. Branch with dense short hairs and sparsely mingled with long hairs at the upper portion; leaves obtuse at the apex; pedicels without or sparsely with glandular hairs; inflorescence umbellate-cymose, peduncles compara-tively long; longer stamens with protrusion at the base of posterial anthers… 2a. B. hirsuta var. rotundifolia

1. Branch glabrous or with sparse hooked hairs at the upper portion; leaf base acute, obtuse or rarely rounded.

3. Peduncles slender, 3-6 cm long; calyx lobes setaceous at the apex, about 2.2 mm long; style longer, 10 mm long… 1. B. gibba

3. Peduncles tough, 1-2(-3) cm long; calyx lobes obtuse at the apex, about 1.5 mm long; style shorter, 6 mm long… 3. B. oldhamii