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Rumex crystallinus Lange
Family Polygonaceae
Common name: Shiny Dock

Rumex crystallinus Lange APNI*

Description: Annual or short-lived perennial, mostly 6–40 cm high, stems erect, much branched, often bearing flowers from near base; plants usually drying orange.

Basal and lower stem leaves long-petiolate; petiole c. as long as lamina; lamina narrow-oblong, to 10 cm long, 2–8 mm wide, with acute apex and obtuse basal lobes, lower surface warty.

Flower whorls crowded together near apex of inflorescence, distant below, all subtended by a leaf; whorls 12–25-flowered.

Fruiting valves c. 1 mm wide, with acute apex, with 1 (or 2) teeth on each side. Fruiting pedicels filiform, < 1 mm long, articulate near base.

Distribution and occurrence: Widespread in western half of NSW. Scattered collections from all mainland States.

Seasonally wet, inland arid or semi-arid localities.
NSW subdivisions: NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A. N.T.
AVH map***

Often confused with R. tenax but this is smaller, erect and annual or a short-lived perennial.

Text by K. L. Wilson (1990; edited Aug 2012, May 2018)
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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