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Genus :


Family :



Large herbs with erect stems. Leaves obovate-lanceolate or elliptic-lanceolate. Flowers in rigid, terminal panicles. Sepals 3. Petals 3, smaller than sepals, subequal,obovate. Stamens 6, all fertile, or 3 fertile and 3 sterile, all filaments naked. Ovary of 3 subequal locules, 5-10 ovuled, rarely 1-2 ovuled. Fruits indehiscent, globose, often bluish or bluish-black, usually 5- 10 ovuled. Seeds usually 2 in two series, smooth.

Key to the species

Serial Key Reference
1a. Leaves with petiole 1-4 cm long; inflorescences shorter than or nearly as long as distal leaves, cincinni usually several, not in whorls 2
1b. Leaves sessile or base attenuate into short, winged petiole; inflorescences very short or very long, cincinni in whorls 3
2a. Cincinni pendulous, umbel-like, much shorter than leaves P. subumbellata
2b. Cincinni spreading or ascending, paniculate, nearly as long as distal leaves P. miranda
3a. Peduncle extremely short, less than 2 cm; whole inflorescence less than 6 cm long P. thyrsiflora
3b. Peduncle more than 3 cm; whole inflorescence more than 8 cm P. secundiflora