Pleradenophora
Gen. Euphorb., 377. 2001.
Taxon | Illustrator ⠉ | |
---|---|---|
Hura crepitans Hippomane mancinella Pleradenophora bilocularis | Barbara Alongi Barbara Alongi Barbara Alongi |
Shrubs or trees, monoecious; hairs absent [unbranched]; latex white. Leaves semipersistent, alternate, simple; stipules present, persistent [deciduous]; petiole present, glands present at apex or absent; blade unlobed, margins serrulate [entire], laminar glands absent; venation pinnate. Inflorescences bisexual (pistillate flowers proximal, staminate distal) or staminate, terminal, racemelike thyrses; glands subtending each bract 10–14. Pedicels present or absent. Staminate flowers: sepals 3, imbricate, connate basally; petals 0; nectary absent; stamens 2 [–5], distinct; pistillode absent. Pistillate flowers: sepals 2 [–3], distinct; petals 0; nectary absent; pistil 2 [–3] -carpellate; styles 2 [–3], connate proximally, unbranched. Fruits capsules. Seeds broadly ovoid-oblong; outer seed-coat dry; caruncle absent.
Distribution
Arizona, Mexico, Central America, South America
Discussion
Species 5 (1 in the flora).
Species of Pleradenophora were historically mostly classified within Sebastiania. Molecular phylogenetic analyses show that Sebastiania in the broad sense is polyphyletic and indicate a close relationship of Pleradenophora with a West Indian clade containing Bonania A. Richard, Grimmeodendron Urban, and Hippomane (K. Wurdack et al. 2005).
Selected References
None.
Lower Taxa
"connate" is not a number. "distinct" is not a number.