Phyllodium in Flora of China @ efloras.org

118. Phyllodium Desvaux, J. Bot. Agric. 1: 123. 1813.

排钱树属 pai qian shu shu

Shrubs or subshrubs. Leaves pinnately 3-foliolate, stipulate, stipellate. Inflorescences terminal, forming a racemose panicle, each umbellate, 4-15-flowered, subtended and enclosed by a pair of persistent leaflike bracts. Calyx campanulate, pubescent, 5-lobed; lower 3 lobes usually longer than upper ones; upper 2 lobes connate and entire or minutely 2-toothed at apex. Corolla white to pale yellow or rarely purple; standard obovate or broadly obovate, clawed or tapering to base; wings narrowly elliptic, clawed and auriculate at base; keel arcuate, base long clawed, auriculate. Stamens 10, monadelphous. Gynoecium longer than androecium. Legume sessile, indehiscent; lower suture more deeply incised, upper suture shallowly undulate, (1 or)2-7-jointed. Seed distinctly rim-arillate around hilum; cotyledons epigeous.

Eight species: tropical and subtropical Asia, N Australia; four species in China.

1 Terminal leaflet lanceolate or oblong, 13-20 cm, often 4-5 × as long as lateral ones. 1 P. longipes

+ Terminal leaflet ovate, elliptic, or sometimes obovate, often 5-12 cm, ca. 2 × as long as lateral ones or nearly equal (2)

2 (1) Terminal leaflet slightly longer than lateral ones or nearly equal; leaflike bracts broadly elliptic or broadly ovate; legume slightly pubescent or glabrescent. 2 P. kurzianum

+ Terminal leaflet ca. 2 × as long as lateral ones; leaflike bracts orbicular or broadly elliptic, if broadly elliptic, then legume densely silver-gray tomentose (3)

3 (2) Leaflets adaxially nearly glabrous; leaflike bracts orbicular, slightly pubescent and ciliate; legume usually 2-jointed, glabrous or slightly pubescent and ciliate. 3 P. pulchellum

+ Leaflets densely tomentose; leaflike bracts broadly elliptic, densely tomentose; legume often 3- or 4-jointed, densely silver-gray tomentose. 4 P. elegans

Lower Taxa

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