Taxon Details: Cavendishia lebroniae Luteyn
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Family:
Ericaceae (Magnoliophyta)
Ericaceae (Magnoliophyta)
Scientific Name:
Cavendishia lebroniae Luteyn
Cavendishia lebroniae Luteyn
Primary Citation:
Brittonia 31: 156. 1979
Brittonia 31: 156. 1979
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Description: Terrestrial shrub arching to 3 m from mostly single stems; stem glabrous; twigs densely short-pilose, glaucous. Leaves elliptic or ovate-elliptic, 10-27 x 3.5-10 cm, base rounded often subcordate, apex short-acuminate, sparsely short-pilose along nerves on both surfaces; 5(-7)-plinerved, inner pair lateral nerves arising ca. 1 cm above base, midrib basally thickened and with the lateral nerves impressed above and conspicuously raised beneath, reticulate veinlets slightly but noticeably raised on both surfaces; petiole 5-15 mm long, densely pilose. Inflorescence paniculate, up to 150-flowered; primary rachis 12-14(-19) cm long, conspicuously striate and densely short-pilose, each branch subtended by a caducous, membranous, green, ovate, apically obtuse, ciliate bract, ca. 10 mm long; floral bract caducous, cucullate, ovate, obtuse, 4-5 mm long and broad, ciliate, green; pedicel 4-5 mm long at anthesis, elongating to ca. 8 mm, short-pilose; bracteoles basal, subreniform or hemispheric, ca. 0.2 mm long and broad, densely glandular-fimbriate marginally, the fimbriae coalescing distally. Flowers with calyx ca. 3 mm long; hypanthium cylindric, slightly pentagonal, ca. 1 mm long, base truncate and glabrous or sparsely short-pilose; limb campanulate, ca. 2 mm long; lobes broadly triangular, acute, ca. 0.75 mm long, connivent after anthesis, with a tiny, inconspicuous, oblong gland on each side towards apex; sinuses rounded; corolla urceolate, 9-10 mm long, glabrous, mauve to violet with paler lobes, the lobes strongly revolute and tightly appressed to corolla tube, ca. 1 mm long; stamen 5.6-6 mm long; filaments slightly coherent at base, alternately 2-2.5 mm and 3-3.2 mm long, ciliate distally, the connectives conspicuously tapering onto tubules of long anthers; anthers alternately 4-4.2 mm and 3-3.2 mm long; thecae 1-2.2 mm long; style ca. 8 mm long. Berry 8-9 mm diam.
Distribution: Endemic to Ecuador; steep, rocky and moss-covered, exposed roadcut slopes in humid and heavily disturbed forest areas at 615-1200 m altitude; known from only ca. 5 collections.
Conservation Status: Rare and endangered.
Cultivated: ABG, E, NY.
Type: Ecuador. Cañar: El Triunfo-Cañar road, 33 km E of El Triunfo, 615 m, 18 Apr 1978 (fl, fr), Luteyn & Lebrón-Luteyn 5759 (holotype: NY, photo NY neg. 10857; isotypes: AAU, CAS, DUKE, E, F, G, K, L, MICH, MO, OS, P, QCA, U, US).
Description: Terrestrial shrub arching to 3 m from mostly single stems; stem glabrous; twigs densely short-pilose, glaucous. Leaves elliptic or ovate-elliptic, 10-27 x 3.5-10 cm, base rounded often subcordate, apex short-acuminate, sparsely short-pilose along nerves on both surfaces; 5(-7)-plinerved, inner pair lateral nerves arising ca. 1 cm above base, midrib basally thickened and with the lateral nerves impressed above and conspicuously raised beneath, reticulate veinlets slightly but noticeably raised on both surfaces; petiole 5-15 mm long, densely pilose. Inflorescence paniculate, up to 150-flowered; primary rachis 12-14(-19) cm long, conspicuously striate and densely short-pilose, each branch subtended by a caducous, membranous, green, ovate, apically obtuse, ciliate bract, ca. 10 mm long; floral bract caducous, cucullate, ovate, obtuse, 4-5 mm long and broad, ciliate, green; pedicel 4-5 mm long at anthesis, elongating to ca. 8 mm, short-pilose; bracteoles basal, subreniform or hemispheric, ca. 0.2 mm long and broad, densely glandular-fimbriate marginally, the fimbriae coalescing distally. Flowers with calyx ca. 3 mm long; hypanthium cylindric, slightly pentagonal, ca. 1 mm long, base truncate and glabrous or sparsely short-pilose; limb campanulate, ca. 2 mm long; lobes broadly triangular, acute, ca. 0.75 mm long, connivent after anthesis, with a tiny, inconspicuous, oblong gland on each side towards apex; sinuses rounded; corolla urceolate, 9-10 mm long, glabrous, mauve to violet with paler lobes, the lobes strongly revolute and tightly appressed to corolla tube, ca. 1 mm long; stamen 5.6-6 mm long; filaments slightly coherent at base, alternately 2-2.5 mm and 3-3.2 mm long, ciliate distally, the connectives conspicuously tapering onto tubules of long anthers; anthers alternately 4-4.2 mm and 3-3.2 mm long; thecae 1-2.2 mm long; style ca. 8 mm long. Berry 8-9 mm diam.
Distribution: Endemic to Ecuador; steep, rocky and moss-covered, exposed roadcut slopes in humid and heavily disturbed forest areas at 615-1200 m altitude; known from only ca. 5 collections.
Conservation Status: Rare and endangered.
Cultivated: ABG, E, NY.
Type: Ecuador. Cañar: El Triunfo-Cañar road, 33 km E of El Triunfo, 615 m, 18 Apr 1978 (fl, fr), Luteyn & Lebrón-Luteyn 5759 (holotype: NY, photo NY neg. 10857; isotypes: AAU, CAS, DUKE, E, F, G, K, L, MICH, MO, OS, P, QCA, U, US).
Flora and Monograph Treatment(s):
Cavendishia lebroniae Luteyn: [Article] Luteyn, James L. 1983. Ericaceae--part I. Cavendishia. Fl. Neotrop. Monogr. 35: 1-290.
Cavendishia lebroniae Luteyn: [Article] Luteyn, James L. 1983. Ericaceae--part I. Cavendishia. Fl. Neotrop. Monogr. 35: 1-290.