Oxygonum pachybasis Milne-redh.

Species

Angiosperms > Caryophyllales > Polygonaceae > Oxygonum

Characteristics

Flowers pedicellate, 2–6 in the axils of bracts, arranged in terminal and lateral spiciform racemes up to 17 cm long, pedicels 5–8 mm long, accrescent up to 12 mm and reflexed in fruit; bracts chartaceous, obliquely truncate and produced dorsally into an acute subulate seta, sometimes with a fringe of short setae.
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Leaves 3.5–6 × 0.9–1.3 cm, elliptic-lanceolate to lanceolate, acute apiculate at the apex, attenuate at the base, entire on the margins, pubescent to glabrescent, midrib prominent beneath.
Hermaphrodite flowers heterostylous; perianth white with lobes tinged pink outside; tube 1.5–2 mm long, puberulous outside; lobes 4–7 × 3 mm long, ovate-elliptic to oblong-elliptic.
Ovary 0.5–1 mm long; style connate in the lower c. 2 mm, 3-branched; style of long-styled flowers 4–6.5 mm long; style of short-styled flowers (1)1.5–2.5(3) mm.
Nut reddish-brown when mature, 7–9 × 4–5 mm, ovoid-trigonous, longitudinally striate, unwrinkled or very irregularly wrinkled, puberulous.
Ocrea reddish-brown, 0.8–1.3 cm long, truncate with a fringe of brownish setae 3–7 mm long at the apex, ± pubescent.
Stems annual, reddish-brown, 8–35 cm long, longitudinally striate, leafless at the base, ± pubescent.
An erect or ± decumbent perennial herb with many stems from a thick woody rootstock.
Filaments 2–5 mm long; anthers 0.9–1 × 0.35–0.4 mm.
Male flowers not seen.
Life form
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
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Flower color
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
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Hardiness (USDA) -

Usage

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

Cultivation

Mode -
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Distribution

Oxygonum pachybasis world distribution map, present in Angola and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:694842-1
WFO ID wfo-0000387008
COL ID 4BF9V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Oxygonum pachybasis