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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

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Silene L.

Reference
Sp.Pl. [Linnaeus] 1:416 (1753)
Name Status
Current

Scientific Description

Family Caryophyllaceae.

Subfamily Caryophylloideae, Tribe Sileneae.

Habit and leaf form. Herbs (sometimes caespitose), or shrubs (rarely); non-laticiferous and without coloured juice. ‘Normal’ plants. Leaves well developed. Plants with roots; non-succulent; unarmed. Annual, or biennial, or perennial; to 0.13–0.3 m high. Self supporting. Mesophytic. Not heterophyllous. Leaves small, or medium-sized; opposite; with blades; sessile; simple; not peltate. Leaf blades entire; flat; ovate, or obovate, or elliptic. Mature leaf blades adaxially glabrous, or pubescent; abaxially glabrous, or pubescent. Leaves without stipules. Leaf blade margins entire; flat. Leaf anatomy. Hairs present, or absent; glandular hairs present, or absent.

Reproductive type, pollination. Fertile flowers hermaphrodite, or functionally male, or functionally female. Unisexual flowers absent, or present. Plants hermaphrodite, or monoecious, or dioecious (rarely), or gynodioecious (rarely). Floral nectaries absent.

Inflorescence and flower features. Flowers aggregated in ‘inflorescences’, or solitary (rarely). Inflorescence many-flowered, or few-flowered. Flowers in cymes (sometimes capitate). Inflorescences compound. The terminal inflorescence unit cymose. Inflorescences terminal. Flowers pedicellate; small; regular; tetracyclic, or tricyclic (rarely). Floral receptacle with neither androphore nor gynophore (but developing an anthophore). Free hypanthium absent. Hypogynous disk present. Perianth with distinct calyx and corolla, or sepaline (rarely); 10; 2 -whorled, or 1 -whorled (rarely); isomerous. Calyx present; 5; 1 -whorled; gamosepalous; lobed. Calyx lobes markedly shorter than the tube. Calyx prominently 10–30(–60) veined; glabrous; valvate; tubular. Epicalyx absent. Corolla present, or absent; 0, or 5; 1 -whorled; polypetalous; dextrorsely or sinistrorsely contorted, or imbricate (rarely); variously coloured. Petals clawed. Corolla members deeply bifid, or entire (limb of petal distinct from claw). Androecium present, or absent. Fertile stamens present, or absent. Androecial members definite in number. Androecium 10. Androecial members all equal; free of one another; 2 -whorled. Androecium exclusively of fertile stamens. Stamens 10; diplostemonous (obdiplostemonous); oppositisepalous. Anthers separate from one another; dehiscing via longitudinal slits; introrse; bilocular; tetrasporangiate. Fertile gynoecium present, or absent. Gynoecium 1 carpelled. The pistil 1 celled. Gynoecium syncarpous; synovarious; superior. Ovary unilocular (but 1–3–5-locular at the base); 1 locular. Gynoecium stylate. Styles 3(–5); free; simple. Stigmas 3(–5); 1 - lobed. Placentation free central, or basal. Ovules campylotropous.

Fruit and seed features. Fruit 3–15 mm long; dehiscent; a capsule. Dispersal unit the seed. Perisperm present. Seeds minute, or small.

Geography, cytology, number of species. Holarctic. Adventive. Not endemic to Australia. Australian states and territories: Western Australia, South Australia, Queensland, New South Wales, Victoria, Australian Capital Territory, and Tasmania. 2n=20, 24, 34, 48, 72, ca 96, ca 120, 240, 384?. A genus of ca 500 species; 3 species in Western Australia; 0 endemic to Western Australia.