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FOC | Family List | FOC Vol. 11 | Rutaceae

14. Micromelum Blume, Bijdr. 137. 1825.

小芸木属 xiao yun mu shu

Authors: Prof. Dianxiang Zhang & Thomas G. Hartley

Shrubs or trees, unarmed. Leaves alternate, odd-pinnate [or rarely digitately 3-foliolate and/or 1-foliolate]. Inflorescences terminal or terminal and axillary, paniculate. Flowers bisexual, ellipsoid or broadly ellipsoid to obovoid to oblong in bud. Calyx cup-shaped, shallowly 5-lobed or -toothed. Petals 5, valvate in bud. Stamens 10, distinct, alternately unequal in length; filaments sublinear, ± straight. Disk annular or columnar. Gynoecium 3-5-loculed, syncarpous; radial walls of locules becoming curved after anthesis; ovules 2 per locule; style to 1.5 × as long as ovary, deciduous in fruit. Fruit a berry with neither pulp nor pulp vesicles; endocarp membranous. Seeds ellipsoid; seed coat membranous; endosperm lacking; embryo straight; cotyledons broadly elliptic, thin, convolute and/or folded; hypocotyl superior.

About ten species: S and SE Asia, Australia, SW Pacific islands; two species in China.

1 Flower buds ellipsoid or broadly ellipsoid; petals 3-4 mm, outside glabrous or pubescent; margin of leaflet blades serrate or repand.   1 M. falcatum
+ Flower buds oblong; petals 5-10 mm, outside densely pubescent; margin of leaflet blades crenate, repand, or entire.   2 M. integerrimum

Lower Taxa


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