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Project Name Data (Last Modified On 4/8/2013)

Flora Data (Last Modified On 4/8/2013)
Species Stemmadenia alfari (Donn. Sm.) Woodson
PlaceOfPublication Ann. Missouri Bot. Gard. 15: 360. 1928.
Synonym Tabernaemontana alfari Donn. Sm., Bot. Gaz. (Crawfordsville) 24: 396. 1897.
Description Small trees, to 4 m, the stems glabrous. Leaves elliptic, acuminate, obtuse basally, to 12 cm long and 5 cm wide, glabrous, membranaceous; petioles 3-5 mm long, weakly perfoliate, glandular in the axils. Inflorescences racemose, pseudo-axillary (?), few-flowered, the peduncle ca. 2-4 mm long. Flowers with the pedicels ca. 1-4 mm long; bracteole 1, deltoid, ca. 1.5 mm long; calyx-lobes subequal, ovate, ca. 3-4 mm long, glabrous, each bearing 4-6 oppositely placed squamellae within; corolla subinfundibuliform, orange to yellow, the tube proper ca. 10 mm long, the throat narrowly conic, ca. 15 mm long, the lobes obliquely obovate, ca. 9-12 mm long, spreading; stamens attached at the top of the corolla tube, the anthers ca. 4-4.2 mm long; nectaries concrescent and adnate to the ovary, the stigma capitate above and umbraculiform below. Follicles slender, curved, acuminate, ca. 3-5 cm long and 1-1.3 cm broad; seeds unknown.
Habit Small trees
Distribution Costa Rica and Panama.
Specimen COCLE: N rim of El Valle de Anton, Allen 1783 (F, MO, US). El Valle site area of WEPCOR, Kirkbride 1044 (MO).
Note Stemmadenia alfari is easily separated from the remaining Panamanian mem- bers of this genus by its small calyx lobes.
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