Colutea arborescens L.

Species: Colutea arborescens L., Genus: Colutea, Family: Fabaceae, Group: Angiosperms

(Colutea arborescens L.)

-> Genus: Colutea -> Family: Fabaceae -> Group: Angiosperms

Habitus

it is a shrub up to 4 m high with irregular crown, branches are erected, bent at the ends
the bark is light brownish-grey

Colutea arborescens (Tree bladderwort) - Kučište, Croatia

Leaves (assimilation organs)

leaves are unpaired pinnately compound, 6 - 15 cm long, composed of 3 - 6 pairs of individual leaflets
individual leaves are elliptic to obovate, rounded to truncate at the apex, entire marginal, short-petiolate to sessile

Colutea arborescens (Tree bladderwort) - top side

Colutea arborescens (Tree bladderwort) - twig with leaves

Colutea arborescens (Tree bladderwort) - underside

Flowers

it is a monosexual shrub, flowers are bisexual, deep yellow, grouped in 2 - 8 axillary racemes 5 - 10 cm long
it flowers in May - June

Fruits – seeds

the fruit is a swollen pod 6 - 8 x 3 cm large, green to reddish purple, brown when ripe, membranous to leathery
it bursts at the top
it contains several kidney-shaped seeds measuring 6 x 4 mm

Colutea arborescens (Tree bladderwort) -pod

Colutea arborescens (Tree bladderwort) - seeds before ripening

Colutea arborescens (Tree bladderwort) - seeds at maturity

Colutea arborescens (Tree bladderwort) - immature seeds

Extension

originally in southern Europe and North Africa
in Slovakia in the warmest areas of southern Slovakia (Kováčovské kopce, Slovak Karst)

Ecology

it is a light and heat-loving woody plant sensitive to frost, drought-resistant

Significance

it is ornamental with flowers, but also with fruits
it is grown as a park tree
in Slovakia it is protected by law - vulnerable species (VU)

Colutea arborescens (Tree bladderwort) - ornamental with flowers

Colutea arborescens (Tree bladderwort) - ornamental with fruits (inflated pod)

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