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Family:

Ericaceae (Magnoliophyta)

Primary Citation:

Trans. Linn. Soc. London, Bot. 6: 43. 1901

Accepted Name:

This name is currently accepted.

Description:

Description: Erect shrub, (0.3-)0.6-1 m tall, bisexual; mature branches terete to subterete, glabrous, sometimes with odor of wintergreen (Steyermark et al. 26014); twigs glabrous to densely puberulous and usually also laxly hirsute to short-setulose with straight, multicellular, gland-tipped hairs to 1.2 mm long. Leaves thick-coriaceous, ovate, oblong-ovate, or elliptic, (7-)9-20(-30) x 5-10(-12) mm, base rounded or obtuse and short-attenuate, apex acute to subacuminate, margin thickened and slightly revolute, crenate with (4-)6-10(-15) teeth per side, these each bristle-tipped with caducous, multicellular, multiseriate, glandular hairs to 0.2 mm long, glabrous or weakly puberulent along midrib above, glabrous or weakly puberulent and also sometimes weakly hirsute-setulose with multicellular, gland-tipped hairs on lamina and midrib beneath, nitid above; midrib impressed above and elevated beneath, secondary veins weakly impressed or raised above but prominent and slightly raised beneath (raised on both surfaces); petiole 1-3.5 mm long, glabrous or weakly puberulent adaxially (short-hirsute abaxially). Flowers with pedicels (2-)4-11(-13) mm long, weakly puberulent to densely short-pilose (glabrous), and usually also laxly setulose with reddish, straight or crisped, multicellular, gland-tipped hairs; bracts and bracteoles indistinguishable, there being 4-5 bracts at the base of the pedicel and up to 8 scattered from the base to the apex, bracts ovate, clasping, 2-4 mm long, margin scarious, short-ciliate and often short-setose with multicellular, multiseriate, gland-tipped hairs; calyx lobes deltate-ovate, 3-5 mm long, acuminate, glabrous or margin ciliate, especially distally, and usually laxly glandular setose at base; corolla urceolate-ventricose, 7-9 mm long, 4-5 mm in basal diam., white at base and rosaceous at apex, or totally reddish, lobes 1.5-2 mm long, recurved; stamens 10; filaments 2.5-3 mm long, glabrous or margin conspicuously long-pilose; ovary globose, glabrous or short-pilose, style 3.5-5 mm long, glabrous. Berry globose, 8-9(-14) mm diam., glabrous or laxly short-pilose, dark blue-black when mature.

Distribution: Endemic to the tepuis of the Guayana Highland region of S Venezuela. Infrequent on open summits in wet to swampy depressions or savannas, on sandy ground at bases of dry bluffs, or in upper slope forest near summit, at elevations of 1900-2800 m. Flowering: Jan-Mar and Jun; fruiting: Jan-May.

Type: Venezuela. Bolívar: Summit of Cerro Roraima, 2646 m, fl, McConnell & Quelch 637 (lectotype, K). Syntype: Same locality, im Thurn 333A (K).

Cultivated: E (?).

Flora and Monograph Treatment(s):

Pernettya marginata N.E.Br.: [Article] Luteyn, James L., et al. 1995. Ericaceae, Part II. The Superior-Ovaried Genera (Monotropoideae, Pyroloideae, Rhododendroideae, and Vaccinioideae P.P.). Fl. Neotrop. Monogr. 66: 560.
Pernettya marginata N.E.Br.: [Article] Maguire, Bassett. 1978. The botany of the Guayana Highland--part X. Mem. New York Bot. Gard. 29: 1-288.