Image:ErythrinaXsykesii.JPG

[edit] Summary

Weed status : Adventive - Not Yet Classified

Structural Class : Dicotyledonous Trees & Shrubs

Scientific name : Erythrina x sykesii

Family : Fabaceae

Common Name : coral tree

Approx year naturalised in New Zealand: 1986

Areas of Origin : Australia (parents from N. America and Africa)

Reason for introduction : Ornamental

Habitat : Terrestrial.

Features : Deciduous tree up to 12-(18)m high; trunks with stout prickles; twigs round, smooth, clothed in short hairs when young but becoming glabrous, armed with prickles; prickles stout-based, scattered, 5-10 mm long. Leaves densely clothed with short medifixed hairs when young, becoming +/- glabrous; leaflets broadly ovatre to deltoid, +/- acuminate, obtuse to truncate at base, entire (7)-10-20 cm long; lateral leaflets somewhat smaller than terminal; stipules lanceolate, 5-10 mm long, caducous; stipels c. 1 mm long. Inflorescences axillary, clustered at tips of branches, clothed in brown medifixed hairs when young; flowers numerous, shortly pedicellate, subtended by caducous bracteoles. Calyx spathe-like, bilbiate, or irregularly shallowly toothed. Standard scarlet, c. 50-60 mm long, wings and keel c. 1/2 length of standard, orange to pale orange; filaments mauve. Pods not formed. (Webb et al 1988).

Similar species : Can be distinguished from E. crista-galli by the axillary inflorescences clothed in brown hairs, the keel roughly 1/2 the length of the standard, and the leaves broadly ovate to deltoid (hairy when young).

Flowering time in New Zealand: August, September, October.

Fruiting time :

Comments on Lifecycle : Perennial.

Reproduction : Cuttings and dropped branches take root easily.

Seed : Not seen as this is a sterile hybrid (Likely parents are E. coralloides and E. lysistemon)

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• Erythrina