Taxon Details: Anthopterus verticillatus Luteyn
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Family:
Ericaceae (Magnoliophyta)
Ericaceae (Magnoliophyta)
Scientific Name:
Anthopterus verticillatus Luteyn
Anthopterus verticillatus Luteyn
Primary Citation:
Opera Bot. 92: 110. 1987
Opera Bot. 92: 110. 1987
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Description: Terrestrial shrub ca. 1 m tall, but branches ± scrambling to 3 m long, glabrous throughout; stem terete, striate, drying reddish-brown. Leaves coriaceous, verticillate (3-5 leaves per node), ovate to lance-elliptic, 10-18 x 3.5-8 cm, base obtuse to rounded, apex long-acuminate; 7-9-plinerved, the inner nerves arising up to 4 cm above the base, midrib and lateral nerves impressed above and raised and conspicuous beneath, reticulate veinlets plane to slightly impressed above and plane to raised beneath; petiole terete, rugose, 4-8 mm long. Inflorescence axillary, solitary, racemose, up to ca. 25-flowered, entirely bathed in a translucent mucilage when in bud; rachis bluntly angled, glabrous but fimbriate, to 8 cm long; floral bract persistent, appressed, broadly imbricate (concealing the rachis, pedicel, and most of the flowers at anthesis), coriaceous, striate, ovate, obtuse, 13-18 x 10-13 mm, red to reddish-pink; pedicel cylindric-obconic, bluntly angled, fimbriate, ca. 2(-4) mm long; bracteoles basal, membranous, oblong-oblanceolate, rounded, mucronate, 5-6 mm long. Flowers with calyx 10-12 mm long, frimbriate, red; hypanthium ylindric, bluntly angled 4-5 mm long; limb cylindric-campanulate, 6-8 mm long; lobes oblong to narrowly ovate, acute, striate, 5-7 mm long, basally imbricate; sinuses acute; corolla cylindric-urceolate, broadest below the middle, bluntly angled, not conspicuously winged, ca. 11-12.5 x 6-7 mm when dry, lower 3/4 red, upper 1/4 pale yellowish-green, the lobes triangular, acute, ca. 1 mm long, pink to white; stamen 10, equal, ca. 8 mm long; filaments distinct, ca. 4 mm long, glandular-fimbriate dorsally at the connectives; anthers ca. 5.5 mm long; thecae ca. 4 mm long; tubules ca. 1.5 mm long; style 11-12 mm long. Fruit not seen.
Distribution: Endemic to Ecuador; premontane to montane cloud forest at 1200-2400 m altitude.
Conservation Status: Rare and endangered.
Type: Ecuador. Pichincha: Quito-Santo Domingo de los Colorados old rd, km 72-74, 1800-1900 m, 3 Apr 1978 (fl), Luteyn & Lebrón-Luteyn 5650 (holotype: NY; isotypes: AAU, CAS, E, GB, K, MEXU, MO, Q, QCA, S, STE, TEX, U, US).
Description: Terrestrial shrub ca. 1 m tall, but branches ± scrambling to 3 m long, glabrous throughout; stem terete, striate, drying reddish-brown. Leaves coriaceous, verticillate (3-5 leaves per node), ovate to lance-elliptic, 10-18 x 3.5-8 cm, base obtuse to rounded, apex long-acuminate; 7-9-plinerved, the inner nerves arising up to 4 cm above the base, midrib and lateral nerves impressed above and raised and conspicuous beneath, reticulate veinlets plane to slightly impressed above and plane to raised beneath; petiole terete, rugose, 4-8 mm long. Inflorescence axillary, solitary, racemose, up to ca. 25-flowered, entirely bathed in a translucent mucilage when in bud; rachis bluntly angled, glabrous but fimbriate, to 8 cm long; floral bract persistent, appressed, broadly imbricate (concealing the rachis, pedicel, and most of the flowers at anthesis), coriaceous, striate, ovate, obtuse, 13-18 x 10-13 mm, red to reddish-pink; pedicel cylindric-obconic, bluntly angled, fimbriate, ca. 2(-4) mm long; bracteoles basal, membranous, oblong-oblanceolate, rounded, mucronate, 5-6 mm long. Flowers with calyx 10-12 mm long, frimbriate, red; hypanthium ylindric, bluntly angled 4-5 mm long; limb cylindric-campanulate, 6-8 mm long; lobes oblong to narrowly ovate, acute, striate, 5-7 mm long, basally imbricate; sinuses acute; corolla cylindric-urceolate, broadest below the middle, bluntly angled, not conspicuously winged, ca. 11-12.5 x 6-7 mm when dry, lower 3/4 red, upper 1/4 pale yellowish-green, the lobes triangular, acute, ca. 1 mm long, pink to white; stamen 10, equal, ca. 8 mm long; filaments distinct, ca. 4 mm long, glandular-fimbriate dorsally at the connectives; anthers ca. 5.5 mm long; thecae ca. 4 mm long; tubules ca. 1.5 mm long; style 11-12 mm long. Fruit not seen.
Distribution: Endemic to Ecuador; premontane to montane cloud forest at 1200-2400 m altitude.
Conservation Status: Rare and endangered.
Type: Ecuador. Pichincha: Quito-Santo Domingo de los Colorados old rd, km 72-74, 1800-1900 m, 3 Apr 1978 (fl), Luteyn & Lebrón-Luteyn 5650 (holotype: NY; isotypes: AAU, CAS, E, GB, K, MEXU, MO, Q, QCA, S, STE, TEX, U, US).
Flora and Monograph Treatment(s):
Anthopterus verticillatus Luteyn: [Article] 1987. Opera Bot. 92: 110.
Anthopterus verticillatus Luteyn: [Article] 1987. Opera Bot. 92: 110.