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The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. Due to the rapidly approaching holiday season and associated agency and facility soft closures, along with the substantial work involved in data mapping, cleaning, and verification, the migration to the new collection management software is not expected to occur before 1 March 2026, when a further update will be provided. Please reach out to us if you have any questions or concerns.

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Cissus L.

Reference
Sp.Pl. [Linnaeus] 2:117 (1753)
Name Status
Current

Scientific Description

Family Vitaceae.

Habit and leaf form. Lianas, or shrubs, or herbs, or herbaceous climbers; evergreen, or deciduous. Plants sometimes succulent, or non-succulent. Herbs perennial. Climbing, or self supporting (then scrambling); the climbers tendril climbers (tendrils leaf-opposed, simple or bifid). Stem growth conspicuously sympodial, or not conspicuously sympodial. Mesophytic, or xerophytic. Heterophyllous, or not heterophyllous. Leaves alternate; distichous, or spiral; petiolate, or sessile (rarely); non-sheathing; gland-dotted; simple, or compound; when compound ternate, or pinnate, or palmate. Leaflets 3–7. Leaf blades when simple dissected, or entire; palmately veined; cross-venulate. Leaves with stipules. Stipules intrapetiolar; caducous. Leaves without a persistent basal meristem.

Reproductive type, pollination. Fertile flowers hermaphrodite. Unisexual flowers absent. Plants hermaphrodite.

Inflorescence and flower features. Flowers aggregated in ‘inflorescences’; in cymes, or in panicles. Inflorescences compound. The terminal inflorescence unit cymose. Inflorescences leaf-opposed (nearly always), or terminal, or axillary. Flowers pedicellate; bracteate; bracteolate; small; regular; 4(–5) merous; cyclic; tetracyclic. Hypogynous disk present; intrastaminal; annular (adnate to the base of the ovary, ridged or lobed). Perianth with distinct calyx and corolla; 8 (usually), or 10; 2 -whorled; isomerous. Calyx 4(–5); 1 -whorled; gamosepalous; very shallowly lobed, or entire; open in bud; cup-shaped; regular; persistent. Corolla 4(–5); 1 -whorled; polypetalous, or gamopetalous (then falling together); valvate; regular; deciduous. Petals somewhat hooded (at apex). Androecium 4. Androecial members free of the perianth (inserted at the base of the disk); all equal; free of one another; 1 -whorled. Androecium exclusively of fertile stamens. Stamens 4; isomerous with the perianth; alternisepalous. Anthers dehiscing via longitudinal slits; introrse; tetrasporangiate, or bisporangiate. Gynoecium 2 carpelled. The pistil 2 celled. Carpels reduced in number relative to the perianth. Gynoecium syncarpous; eu-syncarpous; superior. Ovary plurilocular; 2 locular. Gynoecium stylate. Styles 1; apical. Stigmas 1; subulate or subcapitate; dry type; non-papillate; Group II type. Placentation axile. Ovules 2 per locule; ascending; apotropous; collateral; non-arillate; anatropous.

Fruit and seed features. Fruit fleshy; indehiscent; a berry; 1–4 seeded. Seeds oblong, ovoid or subspherical, often beaked; endospermic. Endosperm oily. Cotyledons 2. Embryo straight. Seedling. Germination phanerocotylar.

Physiology, biochemistry. Aluminium accumulation not found.

Geography, cytology, number of species. Native of Australia. Not endemic to Australia. Australian states and territories: Western Australia, Northern Territory, and Queensland. Northern Botanical Province.

Economic uses, etc. Ornamental vines.