Aphelandra arnoldii Mildbr.

Species

Angiosperms > Lamiales > Acanthaceae > Aphelandra

Characteristics

Herbs; stems short, to ca. 60 cm tall, subquadrangular, sparingly strigose. Leaves subrosulate, crowded, elliptic, to 18 cm long, 6.5 cm wide, apically acute, basally attenuate, sparingly strigose above, strigose only on the veins beneath, ca. 14 pairs of lateral veins, arched and ascending, the margins undulate; petioles sericeous, to 6.5 cm long. Inflorescences in spikes, rising from the axils of crowded terminal leaves, to ca. 24 cm long and ca. 0.5 cm wide; peduncle strigose, one bract subtending each flower, barely imbricate, erect and spreading, lanceolate, to 8 mm long and 2 mm wide, apically acute, 3-nerved with one or two lateral teeth, the longer one ca. 0.5 mm long toward the apex, the outer surface velutinous with occasional glandular hairs, the margins ciliate; bracteoles 2 subtending each flower, subulate, ca. 4 mm long and 0.8 mm wide, puberulent and with a few long glandular hairs. Flowers sessile; calyx segments unequal, all lanceolate and ca. 5 mm long, the anterior and lateral segments ca. 8 mm wide, the posterior segment ca. 1.4 mm wide, all segments with glandular hairs on the outside mostly toward the apex; corollas red or pink, bilabiate, ca. 1.4 cm long, 1.5 mm wide, the lateral lobes of the lower lip ca. 3.5 mm long, 3 mm wide, cuneate at the base, sub-orbicular, the middle lobe obcordate, 4.5 mm long, 4 mm wide, cuneate at the base, the upper lip 3 mm long, 3.5 mm wide, obcordate, the corolla glabrous outside, villous in the mouth and down the tube; stamens included, paired, the anthers held together dorsally by interweaving hairs, 1.3 mm long; ovary 1.5 mm long, the style 5.5 mm long, puberulent toward the base. Capsules clavate, to 10 mm long, 4 mm wide, glabrous, shiny; seeds 4, orbicular, flattened, 2 mm wide, the surface hispidulous.
Life form perennial
Growth form herb
Growth support -
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Sexuality hermaphrodite
Pollination -
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Mature width (meter) -
Mature height (meter) 0.6
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Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 9-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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Distribution

Aphelandra arnoldii world distribution map, present in Colombia, Cuba, Panama, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:16130-2
WFO ID wfo-0000540010
COL ID FC3P
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Stenandrium arnoldii Aphelandra arnoldii