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FNA | Family List | FNA Vol. 4 | Nyctaginaceae

13. Guapira Aublet, Hist. Pl. Guiane. 1: 308, plate 119 (as Quapira). 1775.

[Portugese guapirá, a Brazilian name more commonly applied to Avicennia species]

John S. Clement

Torrubia Vellozo

Trees or shrubs, perennial, from tuberous taproot. Stems erect, divaricately branching, unarmed, internodes without glutinous bands, glabrate (short pubescent). Leaves petiolate; blade broadly lanceolate to obovate, thin, margins entire. Inflorescences in axils of leaves, compound cymose, loose, each flower subtended by 2-3 bracts. Flowers unisexual, (plants dioecious), chamogamous, narrow; staminate perianth 5-toothed, tubular to narrowly campanulate, limb not reflexed at maturity, stamens 5-10, exceeding perianth; pistillate perianth 5-toothed, tubular, closing over ovary, styles slender, barely exserted, stigmas tipped by fine hairs. Fruits bright orange-red, becoming weakly 10-ribbed upon drying, obovoid to globose, fleshy, glandless.

Species 10-50 (2 in the flora): Neotropics.

The genus is closely allied with Neea Ruiz & Pavón, another dioecious, fleshy-fruited, shrubby member of the Nyctaginaceae restricted to the Neotropics.

See E. L. Little Jr. (1968) for additional synonymy.

1 Leaf blades coriaceous, rigid when dry; young twigs, buds, and inflorescences glabrate or sparsely reddish pubescent   1 Guapira discolor
+ Leaf blades fleshy-chartaceous, thin and ± papery when dry; young twigs, buds, and inflo- rescences densely reddish pubescent   2 Guapira obtusata

Lower Taxa


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