Crassula tetramera (Toelken) A.Druce & Sykes

New Zealand J. Bot. 25: 128 (1987) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Decumbent to prostrate annuals, branches up to 15 cm long, usually much-branched from basal nodes. Leaves linear-lanceolate, c. 2–3 mm long, 0.5–0.8 mm wide, obtuse to rounded, more or less flat above and convex below. Inflorescence 1-several spike-like thyrses with sessile cymules in axils of leaf-like bracts, often becoming pedicellate when fruiting. Flowers 4-merous; calyx lobes linear-lanceolate, 0.5–1.1 mm long, acute to pointed, erect in fruit; corolla cream tinged red, lobes ovate to lanceolate, 0.3–0.5 mm long, acuminate and folded lengthwise; nectary scales linear-cuneate to almost T-shaped, 0.4–0.6 mm long, 0.1–0.3 mm wide, usually truncate; carpels conical, with 2 ovules. Follicles bulging and papillose in lower half, releasing seeds through apical pore or detaching basally from receptacle; seeds c. 0.3 mm long, smooth, often shiny. Flowers Sep.–Jun., depending on rainy season.

CVU, EGU, GipP, Gold, GGr, HNF, HSF, LoM, MuF, MuM, MSB, NIS, OtP, VAlp, VRiv, VVP, WaP, Wim. Also WA, NT, SA, Qld, NSW, Tas. Largely confined to semi-arid regions, especially in the north-west of Victoria, growing in sandy soils or clay.

This species has previously been included in Crassula sieberiana, and sometimes treated together with C. colligata, as C. sieberiana subsp. tetramera Toelken. Crassula tetramera is distinguished from these two species by its much shorter calyx lobes and follicles that are distinctly wider in the lower half, apparently bulging around the lower seed. This species is not always readily distinguished from Crassula colligata subsp. lamprosperma, both having smooth often shiny seeds and somewhat papillose follicles.    

Created by: Andre Messina, 2015-11-25
Updated by: Val Stajsic, 2018-10-12
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder [Saxifraganae]
order Saxifragales
family Crassulaceae
genus Crassula
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Crassula tetramera in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Crassula tetramera in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Scroll Belt present native
Murray Fans present native
Gippsland Plain present native
Otway Plain present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Northern Inland Slopes present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Victorian Alps present native

State distribution

Distribution map
State
Western Australia
Northern Territory
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania