Siphocampylus nematosepalus (Donn. Sm.) E. Wimm.

Siphocampylus nematosepalus (Donn. Smith) F. EWimmer,
Repert. Sp. Nov. 38: 22. 1935.
Centropogon nematosepalus Donn. Smith, Eot. Gaz. 44: 114. 1907.
Stems nearly simple, erect or decumbent, sUghtly woody at base, up to about 3 mm. in diameter, green, 50 cm. or more in length, glabrous below, sparsely pubescent above; leaves cauline, 15 or fewer, spreading, membranous when dry, the blades pubescent above and beneath, 2.5-5 cm. broad, 5-10 cm. long, usually about twice as long as wide, the uppermost ones little reduced in size, all ovate, cordate at base with rounded lobes, gradually long-acuminate at tip, on slender petioles 1-3.5 cm. long, the margins somewhat sinuate, sharply and finely serrate with 7-10 teeth per cm., the teeth subulate or fihform, spreading nearly at right-angles to the margin, often imcinate, 1 mm. long or less; flowers about 5 in the axils of the upper leaves, the axis of the inJlorescence 5 cm. long or less; pedicels ascending, lax, about 0.5 mm. in diameter, about 40 mm. long in flower, short-hirsute, each with a pair of filiform bracteoles at base; flower about 5.5 cm. long, including hypanthium; corolla dark red, hirsute without, glabrous within, the tube practically straight, 32 mm. long, the basal 8 mm. narrowly cylindrical, the upper part somewhat expanded, narrowly funnel-form, 3-5 mm. wide when pressed, the lobes little or not at all recurved, the 2 upper lobes lanceolate, acute, 2.5 mm. wide at base, 12-14 mm. long, the three lower lobes similar, shorter, about 3 mm. wide by 9 mm. long; filament-tube 42^4 mm. long, distally hirsute, adherent to the narrow basal portion of the coroUa-tube, somewhat exserted; anther-tube 6.0-6.5 mm. long, the two shorter anthers white-tufted at tip, all the anthers with long white hairs on the backs; hypanthium in anthesis campanulate, subacute at base, hirsute; fruit not seen; calyx-lobes subulate, attenuate, more or less hirsute, denticulate, about 1.5 mm. wide at base, 9 mm. long; seeds not seen.
Type locality; Cuesta de los Bonicas, Comarca de Piintarena';. Costa Rica, alt. 2300 m., PiUier, herb. nat. C. R. 10533 (US!).
DlSTRrsr TION : Known only from the ipe locality.