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(Last Modified On 5/22/2013)
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(Last Modified On 5/22/2013)
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Species
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Tabebuia striata A. Gentry
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Note
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TYPE: Panama, San Blas, Puerto Obaldia, Gentry 1484 (MO).
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Description
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Tree to 15 m tall and 10 cm d.b.h., the bark pale gray, smooth, with a faint sweetish odor when cut, the branches strongly ascending; twigs terete with a large pith, lepidote. Leaves simple, opposite, elliptic to narrowly obovate, acute to obtuse, basally cuneate, 21-38 cm long and 6.5-13.3 cm wide, regularly lepidote above and beneath with 2 distinct sizes of scales, somewhat lepidote- glandular at the base of the blade, drying olive with the veins tan, midvein conspicuously raised beneath; petiole 1.2-6 cm long. Inflorescence unknown. Flowers with the calyx (in fruit) spathaceous, the apex often somewhat split, 2.5-3 cm long and 0.9-1.9 cm wide, densely lepidote, drying gray, conspicu- ously 5-striate with slightly raised lines; corolla, stamens and pistil unknown. Capsule subterete, dehiscing perpendicularly to the septum, 12-25 cm long and 2-2.8 cm wide, the valves coriaceous, densely lepidote, drying gray, the calyx persistent; seeds thin, bialate, 1.1-1.5 cm long and 1.9-2.5 cm wide, the wings short, thin, basally membranaceous at the extreme tip.
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Habit
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Tree
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Note
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A tree of the tropical wet forest, this species is known only from the type locality in extreme eastern Panama almost on the Colombian border. It is locally not uncommon, and seedlings were found at several places on the mountain slopes above Puerto Obaldia. Although flowers of this species are not known, it is distinct from all other species of the genus. Its simple leaves and lack of pubescence other than lepidote scales relate it to T. insignis (Miq.) Sandw. and T. stenocalyx Sprague & Stapf. However its leaves are thinner and much longer than in either of these species. Its spathaceously split calyx in fruit differs from that of T. insignis. The fruit of T. stenocalyx is similar to T. striata but narrower, 1.5-2 cm wide (fide Sandwith, 1954). Its calyx also splits spathaceously in fruit but is not so conspicuously striate. Although T. striata is close to T. stenocalyx, I do not
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Distribution
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in extreme eastern Panama almost on the Colombian border.
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Note
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think the two are the same, especially in view of the latter's distribution (Trini- dad, the Guianas, and the Departments of Bolivar and Delta Amacuro in Venezuela). Romeroa verticillata Dugand of Colombia also seems related to T. striata, especially on the basis of leaves. It differs in a much wider fruit, usually whorled leaves, orbicular seeds with opaque wings, and in lacking a striate calyx.
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Specimen
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SAN BLAS: Puerto Obaldia, Gentry 1484, 1488 (both MO).
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Tag
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Project Name
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