Monographs Details: Buddleja lojensis E.M.Norman
Authority: Norman, E. M. 2000. Buddlejaceae. Fl. Neotrop. Monogr. 81: 1-225. (Published by NYBG Press)
Description:Species Description - Dioecious shrub 1(-3) m tall, with yellowish bark, young branches subquadrangular, almost glabrous. Leaves subsessile, with marked stipular lines, blades ovate or lanceolate, 7-10 x 2.4-4 cm, membranaceous, above glabrescent, below with appressed layer of stellate and glandular trichomes, soon glabrescent; apex acute or acuminate, base decurrent, margin serrate or serrulate. Inflorescence 7-15 x 4-9 cm, paniculate, with 2-3 orders of branches, branches subtended by bracts, the lowest by leaves; flowers borne in small cymules of 5-10 subsessile flowers. Calyx campanulate, outside with mixture of appressed tomentum and glandular trichomes, tube 1.5-2 mm long, lobes 0.7-1 mm long, acute. Corolla pale yellow, funnelform, tomentulose outside, with warty hairs in upper half of tube and sparse at base of lobes, tube 2.5-4 mm long, lobes oblong, rounded at apex, 1.2-1.5 x 1-1.2 mm. Stamens inserted 1.2-1.5 mm below sinus, anthers 0.5-0.8 mm long. Ovary 1.5-2 mm long, tomentose, style 2-2.5 mm long, stigma subglobose, slighty bilobed, 0.5 mm long. Capsule short cylindrical, 3.5-4 x 1.8-2 mm, with glandular trichomes and stellate tomentum, dehiscing septicidally, valves acuminate. Seeds type 2, fusiform, 0.7-1 x 0.2-0.25 mm, with short wings, seed body 0.5-0.8 mm long.

Discussion:Bumble bees were attracted to the flowers of this species.

I have seen one specimen, Norman E20 (DLF, S), which appears to be a sterile hybrid between B. lojensis and B. americana (Norman, 1982).
Distribution:Ecuador South America| Loja Ecuador South America| Peru South America| Piura Peru South America|