兰考泡桐

泡桐科泡桐属的一种植物

Species

SPECIES

KingdomPlantae
PhylumTracheophyta
ClassMagnoliopsida
OrderLamiales
FamilyPaulowniaceae

Native toChina North-Central, China South-Central, China Southeast

Trees, to more than 10 m tall; crown broadly conical; many parts stellate tomentose. Young branches brown, with convex lenticels. Leaf blade often ovate-cordate, to 34 cm, abaxially densely sessile dendroid hairy, adaxially glabrescent, base cordate to subrounded, margin usually entire, sometimes irregularly angled or lobed, apex gradually attenuate and acute. Thyrses pyramidal to narrowly conical, ca. 30 cm; cymes 3-5-flowered; peduncle 0.8-2 cm, almost as long as pedicels. Calyx obconical 1.6-2 cm; tube glabrescent; lobes 5, to 1/3 of calyx length. Corolla purple to pinkish white, funnelform-campanulate, 7-9.5 X 4-5 cm, slightly curved, ridged ventrally, outside glandular and stellate hairy, inside glabrous and purple spotted; limb 4-5 cm in diam. Stamens to 2.5 cm. Ovary and style glandular; style 3-3.5 cm. Capsule ovoid, rarely ovoid-ellipsoid, 3.5-5 cm, stellate tomentose; persistent calyx disc-shaped; beak 4-5 mm; pericarp 1-2.5 mm. Seeds 4-5 mm including wing. Fl. Apr-May, fr. autumn.

via GBIF · Kew POWO