Ceratostema rauhii Luteyn, Bull. Torrey Bot. Club 119(3): 314, fig. 1.  1992.  Type.  Peru.  Lambayeque:  Hacienda Taulis, SE of Chiclayo, up the Río Sana to Florida and higher, 2200 m, ca. 8?S, 79?2'W, 19 Jun 1990 (fl), Rauh 68468 (holotype, HEID;  isotype, NY).  Images:  Habit.  Line-drawing.

        Epiphytic shrub with young branches pendent to 2 m long;  stems terete, striate, glabrate;  bark dark reddish-brown;  twigs terete, striate, densely pilose with white, unicellular hairs 1-1.2 mm long.  Leaves thin-coriaceous, narrowly ovate to linear-ovate, 15-35 x 5-7 mm, apically long-acuminate, basally obtuse, the margins slightly revolute, entire, upper surface somewhat rugose or pustular, short-pilose, lower surface densely pilose with white, unicellular hairs;  3(-5)-plinerved from the base, the midrib impressed above and raised beneath, the lateral nerves raised above and inconspicuous beneath, the reticulate veinlets obscure;  petiole subterete, striate, rugose, ca. 1 mm long, densely pilose as twigs.  Inflorescence with solitary, axillary, pendent flowers;  floral bract broadly deltate, acute, ca. 0.5 mm long, ciliate;  pedicel terete, striate, 2-3 mm long, articulate with calyx, pilose;  bracteoles located near base of pedicel, similar to floral bract.  Flowers 5-merous, with calyx 6-7 mm long;  hypanthium cylindric to obconical, terete, ca. 2 mm long, densely pilose so as to obscure surface, the limb campanulate, ca. 4-5 mm long;  lobes narrowly triangular, long-acuminate, 3.5-4.5 mm long, pilose;  sinuses rounded;  corolla cylindric to base (not ventricose), bright red, nitid, 28-30 x ca. 4 mm, short-pilose within and without, the lobes narrowly triangular, long-acuminate, 13-14 mm long, strongly reflexed at anthesis;  stamens 10, ca. 28 mm long;  filaments connate, 6-7 mm long, glabrous;  anthers 22-23 mm long;  thecae ca. 4 mm long, papillate;  tubules very narrow, ca. 18 mm long, dehiscing by oblique slits, ca. 1 mm long;  style 28-30 mm long, glabrous.  Fruit not seen.

        Distribution.  Endemic to Peru, and known only from the type collection.  Rare and probably endangered.

        Cultivated:  AGB, BONN, HEID, NY.