Taxon Details: Gaultheria steyermarkii Luteyn
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Family:
Ericaceae (Magnoliophyta)
Ericaceae (Magnoliophyta)
Scientific Name:
Gaultheria steyermarkii Luteyn
Gaultheria steyermarkii Luteyn
Primary Citation:
Brittonia 42: 254. 1990
Brittonia 42: 254. 1990
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Description: Erect shrub 1-1.5 m tall; stems subterete, somewhat ribbed, glabrous; bark thin, exfoliating in strips; twigs subterete, angled, striate, deciduously puberulent and strigose; buds complanate or angled, bracts ovate, striate, ciliate. Leaves coriaceous, flat or slightly concave, elliptic, (1-)1.3-2 x (0.6-)0.7-1.2 cm, base rounded or broadly obtuse, apex acute with a sessile, blunt, terminal gland, margin conspicuously and regularly crenate with each tooth blunt and terminating in a tiny, deciduous, glandular seta, nitid and essentially glabrous above or minutely and deciduously puberulent along midrib, essentially glabrous beneath but with midrib reddish-black punctate, these punctae sometimes producing basally swollen, short-glandular-setose hairs ca. 0.2-0.3 mm long or eglandular setae to 1 mm long; midrib impressed above and conspicuously raised beneath, lateral nerves (4-5 per side) impressed, flat, or raised above and raised beneath, reticulate veinlets impressed to slightly raised above and conspicuously raised beneath; petiole subterete, rugose, striate, shallowly but broadly canaliculate above, 1.5-2 mm long, punctate. Inflorescence axillary, flowers nodding, solitary in axils of normal upper leaves or slightly reduced leaves near branch tips; pedicel terete, striate, 5-8 mm long but lengthening to 1 cm after anthesis, short-pilose with white hairs and also moderately to densely strigose with short, crisped, ferruginous, basally slightly swollen, eglandular hairs to 0.5-0.75 mm long; bracteoles ca. 4-9, basal or scattered along basal half of pedicel, mostly deciduous, ovate to ovate-elliptic, carinate, striate, acute, to ca. 3.5 mm long, densely ciliolate; floral bract similar to bracteoles. Flowers with calyx ca. 5 mm long, sparsely and deciduously short-setose as pedicels, lobes ovate, ca. 4 mm long, acuminate, ciliolate, glabrous or only sparsely short-pilose apically without and densely short-pilose within; corolla urceolate to cylindric-urceolate, apparently 5-angled, 5-8 x 4-5 mm, sparsely short-white-pilose at base, weakly strigose along angles in basal half, pilose within, "white with pinkish lobes," the lobes ovate, obtuse, ca. 1 mm long; stamens ca. 5 mm long; filaments ca. 3.5 mm long, densely pilose; anthers ca. 2 mm long, awns short but conspicuous; ovary densely short-pilose, canescent; style ca. 4 mm long, sparsely short-pilose basally. Fruiting calyx apparently globose, ca. 6 mm diam.
Distribution: Endemic to Venezuela, where it is known only from Cerro Turimiquire (Edo. Sucre), the type collection made on "north-facing steep sandstone slopes, from beginning of sandstone to summit of cerro."
Type: Venezuela. Sucre: Cerro Turimiquire, 2360-2500 m, 6 May 1945 (fl, fr), Steyermark 62595 (holotype, A; isotypes, F, NY).
Conservation status: Rare and endangered.
Description: Erect shrub 1-1.5 m tall; stems subterete, somewhat ribbed, glabrous; bark thin, exfoliating in strips; twigs subterete, angled, striate, deciduously puberulent and strigose; buds complanate or angled, bracts ovate, striate, ciliate. Leaves coriaceous, flat or slightly concave, elliptic, (1-)1.3-2 x (0.6-)0.7-1.2 cm, base rounded or broadly obtuse, apex acute with a sessile, blunt, terminal gland, margin conspicuously and regularly crenate with each tooth blunt and terminating in a tiny, deciduous, glandular seta, nitid and essentially glabrous above or minutely and deciduously puberulent along midrib, essentially glabrous beneath but with midrib reddish-black punctate, these punctae sometimes producing basally swollen, short-glandular-setose hairs ca. 0.2-0.3 mm long or eglandular setae to 1 mm long; midrib impressed above and conspicuously raised beneath, lateral nerves (4-5 per side) impressed, flat, or raised above and raised beneath, reticulate veinlets impressed to slightly raised above and conspicuously raised beneath; petiole subterete, rugose, striate, shallowly but broadly canaliculate above, 1.5-2 mm long, punctate. Inflorescence axillary, flowers nodding, solitary in axils of normal upper leaves or slightly reduced leaves near branch tips; pedicel terete, striate, 5-8 mm long but lengthening to 1 cm after anthesis, short-pilose with white hairs and also moderately to densely strigose with short, crisped, ferruginous, basally slightly swollen, eglandular hairs to 0.5-0.75 mm long; bracteoles ca. 4-9, basal or scattered along basal half of pedicel, mostly deciduous, ovate to ovate-elliptic, carinate, striate, acute, to ca. 3.5 mm long, densely ciliolate; floral bract similar to bracteoles. Flowers with calyx ca. 5 mm long, sparsely and deciduously short-setose as pedicels, lobes ovate, ca. 4 mm long, acuminate, ciliolate, glabrous or only sparsely short-pilose apically without and densely short-pilose within; corolla urceolate to cylindric-urceolate, apparently 5-angled, 5-8 x 4-5 mm, sparsely short-white-pilose at base, weakly strigose along angles in basal half, pilose within, "white with pinkish lobes," the lobes ovate, obtuse, ca. 1 mm long; stamens ca. 5 mm long; filaments ca. 3.5 mm long, densely pilose; anthers ca. 2 mm long, awns short but conspicuous; ovary densely short-pilose, canescent; style ca. 4 mm long, sparsely short-pilose basally. Fruiting calyx apparently globose, ca. 6 mm diam.
Distribution: Endemic to Venezuela, where it is known only from Cerro Turimiquire (Edo. Sucre), the type collection made on "north-facing steep sandstone slopes, from beginning of sandstone to summit of cerro."
Type: Venezuela. Sucre: Cerro Turimiquire, 2360-2500 m, 6 May 1945 (fl, fr), Steyermark 62595 (holotype, A; isotypes, F, NY).
Conservation status: Rare and endangered.
Flora and Monograph Treatment(s):
Gaultheria steyermarkii Luteyn: [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.
Gaultheria steyermarkii Luteyn: [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.