Comprehensive Description

provided by North American Flora
Guettarda macrosperma Donn. vSmith, Bot. Gaz. 18: 204. 1893
A shrub or tree, .sometimes 7.5 meters high, with a trunk 10 cm. in diameter, the rather slender branches dark-ferruginous, conspicuously whitc-lenticellate, the branchlets fulvouspilose when young with short, mostly appressed hairs, the internodes often elongate; stipules ovate-deltoid, 4 mm. long, filiform-acuminate, deciduous; leaves opposite, the slender or stout petioles 0.5-2.5 cm. long; leaf-blades oval to oval-elliptic, rhombic elliptic, or oblong, 4.5-13.5 cm. long, 2.5-7 cm. wide, acute, subacute, or acuminate, rounded to subacute at the base, membranaceous or subchartaceous, bright-green and sublu jtrous above, hispidulous when young with setiforin hairs, Khihrato in age, the cosla and nerves proniinulous, the veins inconspicuous, laxly reticulate, paler beneath, minutely appressed-i)ilose, the costa and lateral nerves slender, prominent, the latter 7-9 on each side, subarcuate, the veins inconspicuous, the margin plane; cymes axillary, few-flowered, at first dense, the branches in fruit as much as 2 cm. long, the slender or stout peduncles 1-5 cm. long, the flowers sessile, the bractlets suijulale, shorter than the calyx, deciduous; calyx and hyi)anthium tomentulose, the calyx 2-2.5 mm. long, truncate; corolla white, .sericeous outside, the tulie 12 mm. long, the 5 or 6 lobes oval, one third as long as the tube; fruit subglobose, 1-1.5 cm. in diameter, often dark-red, densely and finely tomentulose, 3or 4-celled.
Type locai-ity: Santa Rosa, Guatemala, altitude 900 meters.
Distribution: In forest and thickets, Guatemala and British Hoiuhiras In Panama, at elevations of 1300 meters or less.
bibliographic citation
Paul Carpenter Standley. 1934. RUBIALES; RUBIACEAE (pars). North American flora. vol 32(4). New York Botanical Garden, New York, NY
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