Anisotes rogersii S.Moore

Species

Angiosperms > Lamiales > Acanthaceae > Anisotes

Characteristics

Small woody shrublets or medium sized shrubs; 0.5-2.0 m high; young branches subtetragonous; villous to puberulent; older branches terete; glabrate, bark pale grey to grey; with opposite brachyblasts. Leaves subsessile, or with petioles up to 0.2 cm long; lamina narrowly elliptic to elliptic or obovate, (3.0-)3.4-5.7(-8.0) cm long and 1.5-2.7(-3.5) cm broad 1/w-ratio: (1.5-)1.9-2.5; apex acuminate to obtuse base attenuate to cuneate; nervation pinnate-reticulate, lamina light green; scabrate to strigose or puberulent to glabrate; margin entire, scabrate. Inflorescences axillary, subsessile or pedunculate, flowers usually solitary with one abortive flower bud; inflorescences develop mostly on brachyblasts, usually in clusters; flowers enclosed by a pair of bracts and a pair of bracteoles; bracts narrowly oblong to narrowly triangular, (2.5-)3-5(-7) mm long and 1-2 mm broad; 1/w-ratio: (1.7-)1.9-3.5(-3.7); apex acute to obtuse; tomentose to puberulent, hairs upward-pointing; bracteoles narrowly triangular, (1.5-)2.5-4.5(-7) mm long and 1-2 mm broad; 1/w-ratio: (1.5-)1.9-3.1; weakly keeled; otherwise similar to the bracts. Peduncles 1-2 mm long; tetragonous; densely tomentose. Calyx (3.5-)4-5(-6) mm long; tomentose to densely puberulent without, sparsely strigose within; hairs upward-pointing; lobes narrowly triangular, 2-4(-5) mm long and 1-1.5 mm broad. Corolla (3.8-)4.1-4.9(-6.0) cm long; red-orange; glandular pubescent without and densely velutinous at the base; sparsely pilose within. Corolla tube (10-)13-17(-20) mm long; 2-3 mm in diameter at the base, 2.5-3.5 mm in diameter at the apex; lateral invaginations 5-9 mm from the base. Upper lip 28-33(-40) mm long and 9-12(-13) mm broad; apex 2-fid. Lower lip narrowly oblong, 26-32(-35) mm long and (2-)2.5-3.5(-4) cm broad; lobes 1-3 mm long, lateral lobes 0.5-1 mm broad, central lobe 1-1.5 mm broad. Stamens. Filaments 2.6-3.2(-3.5) cm long; glabrate. Anthers 3-4 mm long. Pollen grain prolate, 58-63 x 34-43 µm; pores lalongate, 5 x 3 µm; trema area with two rows of insulae, elongated and finely coalesced towards the poles. Ovary 2 mm long, 1.5 mm broad and 1 mm thick; densely strigose, hairs upwards pointing. Style 3.8-4.8(-5.4) cm long, glabrate. Discus 1 mm high and 1-1.5 mm in diameter. Capsule 25-30 mm long, 8 mm broad and 6 mm thick; sparsely strigose. Seeds 6 mm long, 5 mm broad and 2 mm thick; rugose. Flowering specimens from all months of the year.
More
Subshrubs to medium-sized shrubs, 0.5-2.0 m high. Young branches villous to puberulent, angled, not grooved. Older branches glabrate, terete, bark greyish, with brachyblasts. Leaves subsessile or petiolate, scabrate to strigose or puberulent to glabrate, narrowly elliptic or obovate, 30-80 x 15-35 mm; petioles up to 2 mm long. Flowers usually solitary with one abortive flower bud, axillary, subsessile or pedunculate, developing on brachyblasts, usually in clusters. Bracts and bracteoles enclosing flowers, tomentose to puberulent, narrowly oblong to narrowly triangular, bracts 2.5-7.0 x 1-2 mm, bracteoles 1.5-5.0(-7.0) x 1-2 mm. Calyx tomentose to densely puberulent, 3.5-6.0 mm long; lobes narrowly triangular, 2-5 x 1.0-1.5 mm. Corolla 38-60 mm long, red to orange; tube 10-20 mm long; upper lip 28-40 x 9-13 mm, apex bifid; lower lip narrowly oblong, 26-35 x 2-4 mm. Stamens: filaments 26-35 mm long, anthers 3-4 mm long. Pistil: ovary densely strigose, 2.0 x 1.5 mm; style 38-54 mm long. Capsule sparsely strigose, 25-30 x 8 x 6 mm. Seeds 6 x 5 mm, 2 mm thick, rugose.
Shrub, 0.5-2.0 m high. Young branches terete or angled, not grooved, greyish. Leaves narrowly elliptic to elliptic or obovate, 30-80 x 15-35 mm. Inflorescence on brachyblasts. Bracts narrowly oblong to narrowly triangular, with single rib. Flowers solitary, axillary. Calyx 3.5-6.0 mm long. Corolla 38-60 mm long, glandular-pubescent. Flowers red-orange.
Life form -
Growth form shrub
Growth support free-standing
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Sexuality hermaphrodite
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Mature height (meter) 0.5 - 2.0
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Environment

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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Anisotes rogersii world distribution map, present in South Africa and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:45342-1
WFO ID wfo-0000537488
COL ID 5V56H
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Anisotes rogersii