Koelreuteria elegans subsp. formosana

Family: Sapindaceae   

Nome comune: Golden-rain Tree

Sinonimia scientifica:
Koelreuteria formosana, Koelreuteria henryi

Comune sinonimia:
Chinese rain tree, flame gold

Freddo zona di robustezza: 9b     Mostra il Regno Unito e la zona di mappe degli Stati Uniti

Identificazione:
Deciduous trees, 15-17 m tall or higher. Branches ridged, pubescent. Leaves bipinnate, with petiole ca. 50 cm; leaflets 5-13; petiolules 2-2.5 cm; blades oblong-ovate, 6-8 × 2.5-3 cm, varied in shape and size, subleathery, abaxially glabrous or only barbate at vein axils, base extremely oblique, margin slightly incurved serrate or nearly entire below middle, apex long acuminate to caudate. Thyrses terminal, large, ca. 25 cm; branches and pedicels pubescent. Flowering in autumn, inflorescence of terminal panicle to 25 cm long, yellow. Sepals 5, oval or ovate-triangular, ciliate. Petals 5, lanceolate or oblong, with 2-lobed, tuberculate toothed scale, claw hairy. Stamens 7 or 8; filaments hairy. Capsules inflated, ellipsoid, 3-ridged, ca. 4 cm; carpels subcordiform, abaxially reticulate veined, adaxially shiny. Seeds black, globose, ca. 5 mm in diam.

Informazioni generali:

Distribuzione:

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Informazioni di distribuzione attualmente in fase di revisione!


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