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Family TROPAEOLACEAE

Description: Annual or perennial herb, often scrambling or climbing, slightly succulent; sap watery.

Leaves usually alternate, often peltate; petioles long and sometimes aiding in climbing; stipules present, sometimes minute. Flowers zygomorphic, bisexual, 5-merous.

Inflorescence of solitary pedunculate flowers in leaf axils. Calyx of 5 fused sepals, 1 produced into a nectar-bearing spur. Corolla of 5 free petals or rarely only 2, showy, clawed; petals entire or lobed. Stamens 8; filaments filiform; anthers small, basifixed and laterally dehiscing. Carpels 3, fused; ovary superior, 3-locular, with 1 ovule per loculus.

Fruit of 3 indehiscent nutlets or rarely fleshy.


Distribution and occurrence: World: 2 genera, c. 100 species, America. Australia: 1 genus, 1 species

External links:
Angiosperm Phylogeny Website (Family: Tropaeolaceae, Order: Brassicales)
Wikipedia

Text by B. J. Conn
Taxon concept:

One genus in NSW: Tropaeolum

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