Centropogon costaricae (Vatke) McVaugh

Centropogon costaricae (atke) McVaugh, comb. nov
Siphocampylus Costaricae Vatkc, Liniiaea 38: 730. 1874.
Cenlropogon por phyrodontus Donn. Smith, Bot. Gaz. 44: 1 14. 1907. (PiUier, herb. nat. C.R. 12307,
US!) Centropogon brumalis Standley, Field Mus. Publ. Bot. 18: 1410. 1938. (Standley &' Valeria 43984,
Terrestrial, herbaceous or suffrutescent, the stems weak, subscandent or erect, often purple, simple or «-ith few ascending branches, glabrous or minutely puberulent, up to about 5 mm. in diameter, about 1 m. high or less; cauline leaves 25(.') or fewer, spreading, stiff-papery when dry, dark green above, yellowish-green below (when dry), those in the young growth smaller; blades ovate, gradually narrowed to a long-acutninate tip, rounded to cordate at base, 2-7 cm. wide, 4-12 cm. long, usually 1.5-2 times as long as wide, on a stout petiole 1-2 cm. long, glabrous above, pubescent beneath with fine sordid hairs, especially on the veins (sometimes practically glabrous), the margins sharply and conspicuously toothed, with 5-10 slender purplish teeth per cm., the teeth at right-angles to the margins or nearly so, up to about 1 mm. long; inflorescence few-35 cm. long, sometimes interrupted, the few-10 flowers widely spaced, in the axils of the upper leaves; pedicels wide-spreading, usually rather stiff, up to about 0.8 mm. in diameter, 55-80 (100) mm. long in fruit, often purple, glabrous, ebracteolate or with two filiform bracteoles at base; flower 3.5-5 cm. long, including hypanthium; corolla purplc-red (according to Standley), glabrous, the tube (23) 27-30 mm. long, narrowly cylindrical below, the proximal third about I-I.5 mm. in diameter, the distal portion rather abruptly inflated, ellipsoid or fusiform, varying to cylindrical, 6-8 mm. wide when pressed flat, the lobes linear or linear-subulate, scarcely curved, sharply acute, the upper ones 1.5-2.5 mm. wide at ba,se, 6-1 1.5 mm. long, the lateral and lower lobes similar, slightly shorter; filament-tube 2.1-32 mm. long, glabrous, the filaments fused to the narrow basal portion of the coroUa-tubc; anther-tube (4.5) 5.5-6.5 mm. long, light gray (when dry), the two shorter anthers rather sparsely whitetufted at tips, the others with a few hairs on the backs; hypanthium in anthesis campanulate^ purplish, glabrous, the tube about 1.5 times as long as wide when pressed, usually rounded at base; fruit a little-inflated, white, dry berry, subglobose, about 10 mm. in diameter; calyx-lobes subulate, glabrous, acute, entire or with a few teeth, 1-1.5 mm. wide at base, 4-7 mm. long; seeds oblong-Ienticular, al>out 0.7 mm. long, dark brown, foveate-reticulate.
Tvri; i»CAi,iTv: F'orests, Volcin <lc Barba, Costa Rica, Dr. C. Hoffmann 60 (herb. Berlin, photo.").
Distridi;tio.s: Mmjiitain forests of Costa Rica, at elevations of 1500-3000 ni.
Centropogon costaricae fcjrma dentatus (Standlcv) McVau({h. comb. nov. Centroponon cordifrjlius var. denlalus ]>. E. Wiinmer; Standley. Field Miis. Publ. Bot. 18: 1410. 1938. I^caf-bladcs coarsely and irregularly serrate. Tvi'K locauti': Socorro dc San RamAn, 1300-1400 meters, Costa Rica, firenes 4991 (Field!). DtsTRiBUTiON: Vicinity of San Rnni6n, Costa Rica.