紫月季花 zi yue ji hua

Rosa semperflorens Curtis, Bot. Mag. 8: t. 284. 1794.

Branchlets slender, with short prickles. Flowers double or semi-double, often solitary, or 2 or 3 and fasciculate. Leaflets 5–7, thinner, often tinged with purple-red. Petals deep red or deep purple. Sepals often with a few lobes. 2n = 14*.

Cultivated in China [widely cultivated elsewhere; of cultivated origin].