[1759] Royle, Ill. Himal., p. 317; Madden, Trans. Bot. Soc. Edin., v. p. 118.
[1760] Roth, Catalecta Botanica, i. p. 48.
[1761] Don, Prodr. Fl. Nepal., p. 74.
[1762] Molina, Hist. Nat. du Chili, p. 101.
[1763] Moquin, in De Candolle, Prodromus, xiii. part 1, p. 67.
[1764] A. de Candolle, Géogr. Bot. Rais., p. 952.
[1765] Bon Jardinier, 1880, p. 562.
[1766] Roxburgh, Fl. Ind., edit. 2, vol. iii. p. 609; Wight, Icones, pl. 720; Aitchison, Catalogue of Punjab Plants, p. 130.
[1767] Madden, Trans. Edin. Bot. Soc., v. p. 118.
[1768] Don, Prodr. Fl. Nepal, p. 76.