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FOC | Family List | FOC Vol. 24 | Commelinaceae

9. Tricarpelema J. K. Morton, J. Linn. Soc., Bot. 59: 436. 1966.

三瓣果属 san ban guo shu

Herbs perennial, erect, or ascending proximally. Rhizomes long. Leaves alternate. Panicles terminal, pyramidal, consisting of cincinni, involucral bracts and bracts caducous. Flowers actinomorphic. Sepals free, boat-shaped. Petals free, anterior one narrower, all blue or purple, oblong, obovate, or elliptic. Fertile stamens 3, anterior, middle one inserted opposite petal, with slightly smaller anther and slightly shorter filament; filaments glabrous; staminodes 3, posterior; antherodes 2-lobed. Ovary 3-loculed; ovules 4--8 per locule. Capsule 3-valved, cylindric. Seeds 4--8 per valve, rugose; hilum linear.

Seven species: from the Himalayas to Indonesia (Borneo) and the Philippines; two species (endemic) in China.

1 Posterior 2 petals orbicular, clawed; style to 15 mm; pedicels 3--5 mm at anthesis, 5--10 mm in fruit; leaves 15--30 × 4--7 cm   1 Tricarpelema chinense
+ Posterior 2 petals ovate-elliptic, not clawed; style less than 10 mm; pedicels ca. 7 mm at anthesis, maintaining length throughout anthesis; leaves 9--14 × 2.2--4.5 cm   2 Tricarpelema xizangense

Lower Taxa


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