Petrorhagia Petrorhagia Petrorhagia is a small genus of annual and perennial plants of the pink or carnation family, mostly native to the Mediterranean region. The genus is often referred to as Tunica, which is an obsolete synonym. It is low-growing with wiry stems and narrow, grass-like leaves. The flowers are small, in clusters similar to members of the genus "Dianthus", in pink, lilac, or white. "Petrorhagia saxifraga" is the tunic flower or coat flower, similar to Baby's Breath, but shorter, and used in rock gardens. These plants are mainly native to Eurasia, but some species can be found nearly worldwide, having
Sedirea Hunan, NE Sichuan, Zhejiang. Chinese: 短茎萼脊兰 (duan jing e ji lan) "S. japonica" has traditionally been very popular in the Asian horticultural trade, and recently has also been used in hybridizing. The abbreviation is 'Sdr.' Sedirea Sedirea is a genus of flowering plants from the orchid family, Orchidaceae. They are found in sub-tropical areas of China, Korea, and Japan, usually as epiphytes. The name is 'Aerides' spelled backwards, a reference to the genus they were originally placed in. There are presently two known species. Epiphytic on tree trunks in open forests or on cliffs along valleys; 600–1400 m. W Yunnan,