Petrocosmea rosettifolia
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Petrocosmea rosettifolia (cultivated form) |
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| CYWu ex HWLi |
Petrocosmea rosettifolia is a plant from the genus Petrocosmea in the family of Gesneriad (Gesneriaceae). It occurs in southwest China in Yunnan Province, Jingdong County in hilly terrain in rocky areas.
features
Petrocosmea rosettifolia is an herbaceous , perennial plant . The leaves sit in dense rosettes on up to 4 cm long, finely hairy petioles. The slightly hairy leaf blade is about 0.5 to 4 cm long and 0.4 to 3 cm wide, broadly ovoid or broadly elliptical to circular and has a round to broadly pointed base. The edge is smooth or notched towards the blunt to broadly pointed tip. The cross veining is inconspicuous.
The flowers are solitary on up to 6 cm long, hairy stems. The bracts are elongated-lanceolate to sharply pointed and 1 to 3 mm long. The calyx has five radial symmetry, the sepals are about 5 mm long and densely hairy on the outside.
The crown is sparsely hairy on the outside and has two lips with an approximately 5 mm long, clearly two-parted lip facing the axis and a three-part, 7 to 8 mm long lip facing away from the axis. The two stamens carry anthers about 2 mm long on a 1 mm long hairless filament . There are also three staminodes . The stylus is about 1.2 cm long, the slightly hairy ovary measures about 5 mm in diameter. The fruit is a capsule fruit about 1 cm long . The flowering and fruiting times are in October.
As an ornamental plant, variants with a much larger and differently shaped flower corolla are available.
swell
- Description in the Flora of China
