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FOC | Family List | FOC Vol. 13 | Rhizophoraceae

2. Bruguiera Savigny in Desrousseaux et al., Encycl. 4: 696. 1798.

木榄属 mu lan shu

Trees, producing kneelike pneumatophores. Trunk basally buttressed, often with a cone of stilt roots at base. Leaf scars showing evidence of 3 vascular bundles. Leaves entire. Inflorescences cymes, 1-5-flowered, pedunculate. Flowers generally nodding. Calyx accrescent, tube extending beyond ovary; lobes 8-14(-16), subulate-lanceolate. Petals as many as calyx lobes, usually 2-lobed, fringed with hairs and/or bristles. Stamens 2 × as many as petals, in unequal pairs opposite petals, each pair enclosed by inrolled petal margins; anthers introrse, dehiscing lengthwise. Ovary inferior, 2-4-loculed; ovules 2 per locule; style lobes 2-4. Fruit campanulate. Seed usually solitary, viviparous; hypocotyl terete or obscurely ribbed.

Six species: E Africa, SE Asia, N Australia, Indian Ocean islands, Pacific islands; three species in China.

1 Flowers 2 or 3 in pedunculate cymes, ca. 2 cm; bristles in sinus between petal lobes far exceeding lobes.   3 B. cylindrica
+ Flowers solitary, 3-4 cm; bristles in sinus between petal lobes not exceeding lobes   (2)
2 (1) Petal lobes acute, spreading to ascending; bristles 3 or 4 per petal lobe, 2-3 mm, distinctly exceeding petal lobes; mature calyx red or pinkish red, ribbed only apically.   1 B. gymnorhiza
+ Petal lobes obtuse, reflexed; bristles 1 or 2(or 3) per petal, 0.5-1.2 mm, not or barely exceeding petal lobes; mature calyx yellow, distinctly ribbed at base.   2 B. sexangula

Lower Taxa


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