Tetrameranthus globuliferus (Westra, Lubbert Y.T. & Maas, Paul J. M. 2012)
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Genus: Tetrameranthus
Name
Tetrameranthus globuliferus Westra, Lubbert Y.T., 2012 – Wikispecies link – Pensoft Profile
- Tetrameranthus globuliferus Westra, Lubbert Y.T., 2012, PhytoKeys 12: 7-9.
Description
Description. Medium-sized tree,>10 cm diam., young twigs and petioles densely covered with pale brown, stellate hairs>0.5 mm long. Leaves: petioles 4-8 mm long, 4-6 mm diam., lamina narrowly obovate, 27-37 by 9-15 cm (index 2.8-2.9), chartaceous, shiny green above in vivo, greenish brown above, pale greenish brown to brown below in sicco, rather densely covered with stellate hairs>0.5 mm long on primary vein, to rather sparsely so on smaller veins on both sides, base acute to attenuate, to obtuse or rounded at the extreme base, apex acute to acuminate (acumen to c. 10 mm long), primary vein flat to slightly raised above, secondary veins 20-25 on either side of primary vein, flat to impressed above, loop-forming, shortest distance between loops and margin 1.5-3 mm, or not loop-forming, tertiary veins flat to raised above, percurrent to more or less reticulate. Inflorescences 1-flowered; peduncles 3-5 mm long, 3-4 mm diam., fruiting peduncle c. 5 mm diam., bracts [4?] narrowly oblong or narrowly triangular, 4-5 mm long, falling after flowering, pedicels {18-30} mm long, {4-6} mm diam., densely covered with brownish, stellate hairs; flowers with perianth in 6-merous whorls, cream with the inner petals yellow at the inner base in vivo; sepals broadly ovate-triangular, connate at the very base, {6-11} by {5-10} mm; outer petals elliptic to ovate, {30-45} mm long, {10-25} mm wide, with small callus at the inner base; inner petals {30-40} mm long, {5-10} mm wide, more or less narrowed toward the base, with larger callus, outer side of petals densely covered with stellate hairs, the callus on the inner side glabrous; stamens {2-2.5} mm long, connective shield flat, cushion-shaped. Monocarps 2-7, globose or almost, green in vivo, brown in sicco, c. 40 mm diam., wall strongly shriveled in sicco. Seeds 1-2 per monocarp, 25-30 by 15-20 mm.
Distribution
Distribution. Ecuador (Orellana). Only known so far from Parque Nacional Yasuni.
Taxon Treatment
- Westra, Lubbert Y.T.; Maas, Paul J. M.; 2012: Tetrameranthus (Annonaceae) revisited including a new species, PhytoKeys 12: 7-9. doi
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