PlantNET Home PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
HerbLink (Type Images)
WeedAlert
Other PlantNET Sites
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Genus Comesperma Family Polygalaceae

Description: Slender shrubs or twiners.

Leaves alternate, often caducous or reduced to scales.

Flowers in single or clustered terminal racemes, occasionally in axillary racemes or solitary, each subtended by a caducous bract and bracteoles at base. Sepals 5, unequal, 2 inner sepals large and wing-like ± petaloid. Petals 3, or 5 with 2 reduced or vestigial, lower two petals ± united to form a keel or usually lobed or pouched. Stamens 8, fused with petals for about half their length, and either diadelphous and sessile, or free; anthers opening by apical pores. Ovary 2-locular, laterally compressed; style flattened and bent below a broad, truncate, 2-lobed or bifurcate apex with stigma on one side.

Fruit a compressed cuneate capsule with a narrow marginal wing; seeds with hairs lengthening into a coma.


Distribution and occurrence: World: 24 species, endemic Australia. Australia: all States.

Text by L. Murray
Taxon concept:

Taxa not yet included in identification key
Comesperma breviflorum

 Key to the species 
1Leafy erect plants; stamens diadelphous above middle2
Sparsely-leaved plants, often climbing or lax; stamens free above the middle4
2Leaves with margins recurved to revolute, rarely flat but then lower surface pale-coloured with midvein conspicuousComesperma ericinum
Leaves flat or slightly keeled
                       Back to 1
3
3Leaves with apex acute or obtuse, mucronate; outer sepals a quarter as long as the wing sepalsComesperma sylvestre
Leaves usually obtuse, not mucronate; outer sepals about half as long as the wing sepals
                       Back to 2
Comesperma retusum
4Stems twining5
Stems stiff or lax but not twining
                       Back to 1
6
5Inflorescences axillary, pedicel and calyx usually glabrousComesperma volubile
Inflorescences terminal on short branches, pedicel with short appressed hairs, calyx ciliate
                       Back to 4
Comesperma integerrimum
6Outer sepals c. 1 mm long, wing sepals mostly 2–3 mm long; fruit long-attenuate at baseComesperma defoliatum
Outer sepals c. 3 mm long, wing sepals mostly c. 6 mm long; fruit not long-attenuate at base
                       Back to 4
Comesperma sphaerocarpum

  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET