Acalypha ambigua Pax

Species

Angiosperms > Malpighiales > Euphorbiaceae > Acalypha

Characteristics

A simple or sparingly-branched perennial herb up to 40 cm., arising from a woody rootstock.. Stems sparingly puberulous or subglabrous.. Leaves subsessile; leaf-blade linear to narrowly linear-oblanceolate, 3–7.5 cm. long, 4–7 mm. wide, acute or subacute, attentuate at the base, somewhat serrulate toward the apex, otherwise ± entire, chartaceous-subcoriaceous, lateral nerves 5–6 pairs, ascending, fairly prominent above and beneath, sparingly pubescent on the midrib and nerves beneath, otherwise ± glabrous.. Stipules linear-subulate, 1.5–2.5 mm. long, with 1–2 subsessile glands on the margin, sparingly pubescent.. Inflorescences uni-or bisexual, usually axillary, up to 4 cm. long, generally consisting of a ♂ spike with 1–2 ♀ flowers at the base; axis crisped-puberulous.. Male bracts resembling the stipules.. Male flowers very shortly pedicellate or subsessile; buds 4-lobate, subglobose, subglabrous.. Female bracts cupular, accrescent, multifid, the segments linear, 3–4 mm. long, sparingly pubescent, eglandular or with 1–2 subsessile glands toward the apex, 1-flowered.. Female flowers sessile; sepals 3–4, ovate-lanceolate, 1 mm. long, ciliate, pubescent without, glabrous within; ovary trilobate, 1 mm. diameter, pubescent except at the base; styles free, up to 1 cm. long, pectinate, red.. Fruits trilobate, 2.5 mm. long, 3.5 mm. diameter, evenly to densely pubescent.. Seeds ovoid-subglobose, 2.2 mm. long, 1.8 mm. wide, smooth, grey, with a flattened, elliptical caruncle running from the raphe to the apex.
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Inflorescences up to 9 cm long, axillary, unisexual or bisexual, if the latter then consisting of a male spike with 1–2 female flowers at the base, otherwise spikes all male and many-flowered or all female and 1–few-flowered; male bracts resembling the stipules; female bracts accrescent to up to 5–6 × 8 mm, suborbicular, almost cupular, irregularly 13–19-fid almost to halfway, the segments linear to lanceolate, pubescent, 1-flowered.
Leaf blades 3–9 × 0.3–1.5 cm, linear to linear-lanceolate or linear-oblanceolate, acute or subacute at the apex, with margins toothed in the upper half, otherwise ± entire, attenuate at the base, firmly chartaceous, sparingly pubescent above and beneath, bright green; lateral nerves in 5–6 pairs, ascending, fairly prominent beneath.
Female flowers sessile; sepals 3–4, 1 mm long, ovate to ovate-lanceolate, acute, ciliate; ovary 1 mm in diameter, 3-lobed, sericeous-pubescent, green; styles up to c. 1 cm long, free, pectinately laciniate, crimson.
Male flowers very shortly pedicellate to subsessile; buds 4-lobed to subglobose, sparingly puberulous, creamy-yellow, sometimes pinkish-or reddish-tinged; anthers red.
An erect caespitose perennial herb up to 50 cm high, arising from a stout woody rootstock; stems several, simple or sparingly branched, pubescent.
Seeds 2–2.5 × 1.7–2 mm, ovoid-subglobose, smooth, grey, with a flattened elliptical caruncle.
Fruits 3–4 × 4–5 mm, 3-lobed, sericeous-pubescent.
Petioles 1 mm long, or leaves subsessile.
Stipules 2–3 mm long, linear-subulate.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5
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Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 9-12

Usage

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

Cultivation

Mode -
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Distribution

Acalypha ambigua world distribution map, present in Angola, Burkina Faso, Namibia, Tanzania, United Republic of, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:337151-1
WFO ID wfo-0000279556
COL ID 8RPH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Acalypha dumetorum Acalypha polymorpha var. angustifolia Acalypha polymorpha var. depauperata Acalypha ambigua