Taxon Details: Cavendishia barnebyi Luteyn
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Family:
Ericaceae (Magnoliophyta)
Ericaceae (Magnoliophyta)
Scientific Name:
Cavendishia barnebyi Luteyn
Cavendishia barnebyi Luteyn
Primary Citation:
Brittonia 33: 371. 1981
Brittonia 33: 371. 1981
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Description: Thin-stemmed, epiphytic shrub to 1 m tall; mature branches terete, glabrate; bark grayish and cracking into thin longitudinal strips; twigs terete or subterete, smooth, reddish-brown, densely pilose with spreading hairs to 0.8 mm long. Leaves slightly concave, ovate to elliptic-ovate, (0.8-)1-1.8 x (0.3-)0.5-1(-1.3) cm, basally rounded or broadly obtuse, apically acute or shortly blunt-acuminate, margins slightly revolute, pilose on both surfaces (glabrate above) with white spreading hairs to 0.8 mm long; weakly 5-plinerved, midrib conspicuous, plane to slightly impressed above and raised beneath, lateral nerves inconspicuous and with reticulate veinlets raised above but obscure beneath; petioles terete, rugose, pilose, 1-2 mm long and 0.8 mm diam. Inflorescence 4-6(-12)-flowered; rachis flexuous, subterete, glabrous, 1.2-2.5(-4.5) cm long and 0.7-1 mm in diam., green suffused with violet when fresh; floral bracts caducous, membranaceous, broadly oblong-ovate, 3.5 x 4 mm, apically rounded, glabrous, purplish-violet; pedicels terete, smooth, glabrous, when fresh 5 mm long and 0.6 mm diam. (drying 0.3 mm), green suffused with violet, provided with spherical glands 0.2 mm in diam. at distal tip; bracteoles located at base of pedicel, caducous, membranaceous, oblong, 0.5 mm long, distal 1/3 glandular callose-thickened. Flowers: calyx glabrous, 3 mm long, dark violet when fresh; hypanthium cylindric, smooth, weakly 5-ribbed, 1-1.2 mm long, basally narrowly apophysate; limb campanulate, 1.8-2 mm long; lobes broadly triangular, acute, ca. 1.2 mm long, connivent after anthesis, each margin provided with an oblong somewhat crescent-shaped callose gland, these not contiguous at lobe tip; sinuses acute; corolla cylindric and somewhat bottle-shaped, narrowed at throat, glabrous, 10-11 m long and 5-6 mm in diam. at broadest point, pale violet when fresh, lobes deltoid, ca. 0.5 mm long, spreading to reflexed at anthesis; stamens slightly less than half the corolla length, 4.2-4.4 mm long; filaments essentially glabrous, alternately ca. 1.2 mm and 1.8 mm long; anthers alternately ca. 3.2 mm and 2.7 mm long; thecae ca. 1.2 mm long; style 8 mm long. Berry 4-5 mm diam.
Distribution: Endemic to Colombia, and known only from two collections.
Conservation Status: Rare and endangered.
Type: Colombia. Valle: Old road Cali-Buenaventura, km 36-38, Finca Las Elsas, trail through disturbed cloud forest, 1320-1500 m, 10 Mar 1979 (fl, fr), Luteyn & Lebrón-Luteyn 7008 (holotype, COL, photo NY neg. 10866; isotypes, AAU, NY, US, VEN).
Description: Thin-stemmed, epiphytic shrub to 1 m tall; mature branches terete, glabrate; bark grayish and cracking into thin longitudinal strips; twigs terete or subterete, smooth, reddish-brown, densely pilose with spreading hairs to 0.8 mm long. Leaves slightly concave, ovate to elliptic-ovate, (0.8-)1-1.8 x (0.3-)0.5-1(-1.3) cm, basally rounded or broadly obtuse, apically acute or shortly blunt-acuminate, margins slightly revolute, pilose on both surfaces (glabrate above) with white spreading hairs to 0.8 mm long; weakly 5-plinerved, midrib conspicuous, plane to slightly impressed above and raised beneath, lateral nerves inconspicuous and with reticulate veinlets raised above but obscure beneath; petioles terete, rugose, pilose, 1-2 mm long and 0.8 mm diam. Inflorescence 4-6(-12)-flowered; rachis flexuous, subterete, glabrous, 1.2-2.5(-4.5) cm long and 0.7-1 mm in diam., green suffused with violet when fresh; floral bracts caducous, membranaceous, broadly oblong-ovate, 3.5 x 4 mm, apically rounded, glabrous, purplish-violet; pedicels terete, smooth, glabrous, when fresh 5 mm long and 0.6 mm diam. (drying 0.3 mm), green suffused with violet, provided with spherical glands 0.2 mm in diam. at distal tip; bracteoles located at base of pedicel, caducous, membranaceous, oblong, 0.5 mm long, distal 1/3 glandular callose-thickened. Flowers: calyx glabrous, 3 mm long, dark violet when fresh; hypanthium cylindric, smooth, weakly 5-ribbed, 1-1.2 mm long, basally narrowly apophysate; limb campanulate, 1.8-2 mm long; lobes broadly triangular, acute, ca. 1.2 mm long, connivent after anthesis, each margin provided with an oblong somewhat crescent-shaped callose gland, these not contiguous at lobe tip; sinuses acute; corolla cylindric and somewhat bottle-shaped, narrowed at throat, glabrous, 10-11 m long and 5-6 mm in diam. at broadest point, pale violet when fresh, lobes deltoid, ca. 0.5 mm long, spreading to reflexed at anthesis; stamens slightly less than half the corolla length, 4.2-4.4 mm long; filaments essentially glabrous, alternately ca. 1.2 mm and 1.8 mm long; anthers alternately ca. 3.2 mm and 2.7 mm long; thecae ca. 1.2 mm long; style 8 mm long. Berry 4-5 mm diam.
Distribution: Endemic to Colombia, and known only from two collections.
Conservation Status: Rare and endangered.
Type: Colombia. Valle: Old road Cali-Buenaventura, km 36-38, Finca Las Elsas, trail through disturbed cloud forest, 1320-1500 m, 10 Mar 1979 (fl, fr), Luteyn & Lebrón-Luteyn 7008 (holotype, COL, photo NY neg. 10866; isotypes, AAU, NY, US, VEN).
Flora and Monograph Treatment(s):
Cavendishia barnebyi Luteyn: [Article] Luteyn, James L. 1983. Ericaceae--part I. Cavendishia. Fl. Neotrop. Monogr. 35: 1-290.
Cavendishia barnebyi Luteyn: [Article] Luteyn, James L. 1983. Ericaceae--part I. Cavendishia. Fl. Neotrop. Monogr. 35: 1-290.