Persicaria dichotoma (Blume) Masam. APNI* Synonyms: Polygonum dichotomum Blume APNI*
Description: Herb with stems creeping, prostrate to decumbent, slender, strongly retrorse-strigose.
Leaves angular-ovate to ovate, 3–7 cm long, 10–23 mm wide, retrorse hairs on veins and margins; petiole 1–7 mm long; ocrea with cilia 0.5–1 mm long.
Inflorescence of a few small 1- or 2-flowered clusters 5–8 mm diam. on relatively long branches with glandular hairs (lower branches with retrorsely strigose hairs). Perianth segments 3.0–4.0 mm long, white.
Achene lenticular, 2.0–2.3 mm long, c. 2 mm diam., red-brown to blackish.
Distribution and occurrence: Rarely collected (possibly confused with P. strigosa and P. praetermissa, with which it can grow). Coast south to Port Macquarie; also in Qld and NT; Ceylon and India to SE Asia, Ryukyu Islands and Fiji. On swamp margins and creek banks.
NSW subdivisions: NC
Other Australian states: Qld
Text by K. L. Wilson (1990); edited KL Wilson (Jan 2014)
Taxon concept: Flora of NSW 1 (1990)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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