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FOC | Family List | FOC Vol. 24 | Marantaceae

1. Phrynium Willdenow, Sp. Pl. 1: 1, 17. 1797.
[nom. cons.]

柊叶属 zhong ye shu

Phyllodes Loureiro, nom. rej.

Rhizomes creeping. Basal leaves 1 or more; cauline leaf 1 or absent; leaf sheath and petiole long. Inflorescences borne basally or above an elongate internode on leafy shoots, subtended by a cauline leaf or a reduced, bladeless sheath, compound, capitate, often with additional spikes borne in axils of basal bracts of initially produced spike and later additional ones in basal bracts of secondary spikes, often in a very compact, congested group of few to many small spikes; bracts spirally arranged, often shredding into fibers after anthesis, at least at apex. Flower pairs 2 to many per bract. Sepals usually longer than corolla tube, membranous. Corolla tube proximally ± solid, distally hollow; lobes 3, oblong, subequal. Outer staminodes 2, obovate, staminode tube longer than corolla tube; callose staminode wholly callose, not petaloid at apex. Style curved after tripping; stigma enlarged, blunted. Fruit globose to ellipsoid, dehiscent, often late dehiscent; pericarp hard. Seeds 1--3; aril membranous.

About 20 species: tropical Asia; five species (one endemic) in China.

1 Bracts with a spinescent acumen at apex   1 Phrynium placentarium
+ Bracts without a spinescent acumen at apex.   (2)
2 (1) Bracts 3.5--5 cm, apex soon withering; flowers yellowish   2 Phrynium oliganthum
+ Bracts 2--3 cm, apex not withering; flowers white, yellow-orange, or purple.   (3)
3 (2) Bracts wholly shredding into fibers after anthesis; flowers white   3 Phrynium hainanense
+ Bracts apically shredding into fibers after anthesis; flowers not white.   (4)
4 (3) Leaf blade oblong-ovate to oblong, 25--50 × 10--12 cm; inflorescence heads ca. 5 cm in diam.   4 Phrynium rheedei
+ Leaf blade narrowly ovate, 35--45 × 6--8 cm; inflorescence heads ca. 3 cm in diam.   5 Phrynium tonkinense

Lower Taxa


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