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Polygonum capitatum Buch.-Ham. ex D.Don

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Names_Plants record source
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This is a weed

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Buch.-Ham. ex D.Don
D.Don
1825
ICN
Polygonum capitatum Buch.-Ham. ex D.Don
species
Polygonum capitatum

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capitatum

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Polygonum capitatum Buch.-Ham. ex D.Don

Mat-like perennial with rather slender, ± woody rootstock and long, slender, creeping, rooting stems; shoots grooved, ± brown-hairy, reddish. Lvs on all shoots similar; petiole short or lvs subsessile. Lamina 15-40-(55) × 8-25-(35) mm, ± broad-ovate, becoming red with age, rose-pink and with brown or white hairs on veins below and generally on the midrib above, with a crescent-shaped brown or purplish mark above; margins entire or nearly so, strongly ciliate and with red marginal line; base ± cuneate, slightly oblique; apex acute or subacute. Ochreae (2)-3-9 mm long, brown-hairy, truncate. Fls in globose or subglobose heads, numerous; head (5)-7-15-(20) mm diam.; peduncles usually > lvs, erect, with 1-6 branches in the upper 1/2, glandular-hairy; pedicels 0; bracts scarious, almost = fls. Perianth 2.5-3 mm long, pink, scarcely accrescent; segments imbricate, ovate or elliptic-ovate, glabrous. Nut c. 1.5 mm long, trigonous, dark brown, smooth and glossy, tightly enclosed in persistent perianth.

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Polygonum capitatum Buch.-Ham. ex D.Don
Polygonum capitatum Buch.-Ham. ex D.Don
Polygonum capitatum Buch.-Ham. ex D.Don
Polygonum capitatum Buch.-Ham. ex D.Don
Polygonum capitatum Buch.-Ham. ex D.Don
Polygonum capitatum Buch.-Ham. ex D.Don
Polygonum capitatum Buch.-Ham. ex D.Don

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52887db2-355c-4afd-982e-9257a320364a
scientific name
Names_Plants
1 January 2000
9 October 2007
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