Allium petraeum explained

Allium petraeum is an Asian species of wild onion native to Xinjiang, Kyrgyzstan, and Kazakhstan. It occurs on cliff faces and other sun-lit rocky places.^{[1] [2]}

Allium petraeum has a cluster of narrow bulbs, each up to 15 mm across. Scape is up to 50 cm tall. Leaves are tubular, just a bit shorter than the scape, about 1 mm in diameter. Umbel is spherical with a dense cluster of yellow flowers. Tepals are pale yellow to bright lemon yellow, each with a green midvein.^{[1] [3]}

Notes and References

1. Web site: Flora of China v 24 p 190 石坡韭 shi po jiu Allium petraeum . efloras.org. 2016-02-07.
2. Pavlov, N.V. (ed.) (1958). Flora Kazakhstana 2: 1-290. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
3. Web site: Karelin, Grigorij Silyč, & Kirilov, Ivan Petrovich. 1842. Bulletin de la Société Impériale des Naturalistes de Moscou 15: 512. . biodiversitylibrary.org. 2016-02-07.