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Project Name Data (Last Modified On 9/30/2013)

Flora Data (Last Modified On 9/30/2013)
Species Myroxylon balsamum (L.) Harms
PlaceOfPublication Notizbl. Bot. Gart. Berlin 5: 94. 1908.
Synonym Toluifera balsamum L., Sp. P1. 384. 1753. TYPE: Colombia, "in America prope Carthagenam," col- lector unknown (presumably BAS, not seen).
Description Tree to 40 m tall, d.b.h. ca. 1 m; bark smooth, with abundant lenticels. Leaves usually imparipinnate, 5-10 foliolate; rachis and petiolules pubescent, terete; rachis 5-15 cm long; leaflets alternate, lanceolate to elliptic, acute to acuminate, obtuse at the base, 3-11 cm long, 1.8-4.0 cm wide. Inflorescence racemose, axillary, to 20 cm long, closely cinereous tomentose; pedicels 1.0-1.5 cm long. Flowers oblique on the pedicel; calyx campanulate, 1.5-4.5(-6.0) mm long, finely ribbed, the lobes ca. 1.5 mm long; the standard orbicular, ca. 9 mm in diameter, cordate basally, the claw ca. 1 mm long; wings elliptic to narrowly spatulate, ca. 1 cm long, ca. 4 mm wide, the claw 2 mm long; keel subelliptic, ca. 8.5 mm long, ca. 3 mm wide, the claw ca. 1.5 mm long; ovary short stipitate for ca. 2 mm, villosulose; style subulate. Fruit a samara, narrowly obovate, to 11 cm long, glabrous, stipitate, ca. 1 cm long; wing to 8,cm long, 1-2 cm wide, the seminif- erous area turgid at the apex of the fruit, obliquely oblong, 2-3 cm wide, ca. 1 cm thick.
Habit Tree
Note This species ranges from southern Mexico to northern South America, where it is replaced by Myroxylon peruiferum L.f., which ranges south to Argentina. In Panama, it flowers from January to June, fruiting between September and March.
Distribution ranges from southern Mexico to northern South America
Specimen DARIEN: Santa Fe, Duke 8391 (MO); Campamento Buena Vista, Stern et al. 856 (MO). PANAMA: Chepo. Pittier 4765 (MO).
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