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Family :

THYMELAEACEAE

Division :

Angiosperm

Genus of this Family

Description


Shrubs or small trees. Leaves alternate or opposite, simple. Flowers hermaphrodite or rarely dioecious, in axillary or terminal heads, umbels, clusters or racemes. Perianth regular, tubular, 4-5 lobed. Stamens as many or twice as many as perianth lobes, adnate to perianth tube, those opposite the lobes usually attached above the alternate ones, filaments short, anthers erect, dehiscence longitudinal. Disk hypogynous. Carpels forming a superior 1 rarely 2-celled, very rarely 4-5 celled ovary, ovules anatropous, solitary in each cell, pendulous from near its apex. Fruits small berry, drupe or nut, rarely capsule. Seeds solitary in each cell, pendulous or lateral.

Key to the Genus

Serial Key Reference
1a. Ovary 1-celled, 1-ovuled; fruit indehiscent 2
1b. Ovary 2-celled, cells 1-ovuled; fruit capsular. Perianth lobes 5, stamens 10 Aquilaria
2a. Perianth lobs 4, perianth without scales, stamens 8, 2-sriate; Leaves alternate and opposite Wikstroemia
2b. Perianth lobes 5, perianth with scales above the stamens; stamens 10. Fruit with thick pericarp Linostoma