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Malva preissiana Miq.

Reference
Lehm., Pl.Preiss. [J.G.C.Lehmann] 1(2):238 (1845)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, open shrub. Grey-white or brown sand, red-brown sandy clay, black, brown & red sandy loam, guano, granite, limestone. Rocky islands, stony plains, flat valley floors, road verges.

Amanda Spooner, Descriptive Catalogue, 12 May 2008

Scientific Description

Shrub, with hairy stems. Leaves 35-150 mm long, 25-70 mm wide, not lobed or irregularly lobed, simply (once-)lobed; margins crenate; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 7-14 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) present, 4-7 mm long, the lobes free, indumentum present, stellate hairs presentwith scales absent, Sessile glands absent. Calyx green, 6-12 mm long, the lobes fused half or more of their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent, Terminal appendages absent, number of ribs absent. Corolla white, pink or purple, 13-25 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.5-1.2 mm long; anthers 0.4-0.6 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs and scales absent (ovary quite glabrous); styles several, free and separate, arising from the summit of the ovary, 6.5-10 mm long, with five style branches or lobes, mostly glabrous, wing absent. Fruits dehiscent (capsules and follicles), length-width ratio more or less as long as wide, hairs or scales present, simple hairs (without tubercle bases) absent, stellate hairs present, Sessile glands absent, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent; apex distinctly flat-topped; prickles absent (except perhaps a terminal awn); terminal awns or spines absent; calyx persistent to mature fruit; carpels 10; seeds per loculus 1. Flowering time July, September, October, November or December. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Coolgardie, Geraldton Sandplains, Swan Coastal Plain, Warren and Esperance.

C. Hollister and K.R. Thiele, 11 August 2023

Distribution

IBRA Regions
Coolgardie, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Nullarbor, Swan Coastal Plain, Warren, Yalgoo.
IBRA Subregions
Eastern Goldfield, Edel, Fitzgerald, Geraldton Hills, Lesueur Sandplain, Mardabilla, Nullarbor Plain, Perth, Recherche, Southern Jarrah Forest, Warren.
IMCRA Regions
Abrolhos Islands, Central West Coast, Eucla, Leeuwin-Naturaliste, Shark Bay, WA South Coast.
Local Government Areas (LGAs)
Busselton, Cockburn, Coorow, Dandaragan, Esperance, Greater Geraldton, Irwin, Jerramungup, Kalgoorlie-Boulder, Manjimup, Ravensthorpe, Rockingham, Shark Bay, Wanneroo.