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IBSC | Family List | Angiospermae | Rhamnaceae

Rhamnella Miq.

猫乳属

Description from Flora of China

Chaydaia Pitard.

Shrubs or small trees, rarely scandent, evergreen to mostly deciduous. Leaves alternate, shortly petiolate; stipules narrowly triangular or lanceolate, often persistent; leaf blade papery or submembranous, pinnately veined, margin serrulate. Flowers yellow-green, small, bisexual, 5-merous, pedicellate, in shortly pedunculate axillary cymes, or fascicled in axils of leaves. Calyx tube cup-shaped; lobes triangular, midvein adaxially keeled and with centrally inserted beaklike protrusion. Petals ovate-spatulate or orbicular-spatulate, ± distinctly cucullate, enfolding stamens. Stamens dorsifixed; filaments free from claw at base, lanceolate-linear. Disk pentagonous, thin, lining calyx tube, nectariferous. Ovary superior, base slightly immersed in disk, 1- or 2-loculed or imperfectly 1-loculed, with 2 ovules per locule; styles terminally 2-fid. Drupe yellowish to orange, turning black or purple-black when ripe, cylindric-ellipsoidal base with persistent remnants of calyx tube, with rudimentary style at apex, 1- or 2-loculed, with 1 or 2 seeds.

Eight species: China, Japan, Korea; eight species (five endemic) in China.

Lower Taxa


 

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Flora of China  
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