13. Apocynum frutescens L.,

Sp. Pl.: 213. 1753 [cited in Nat. Hist. II(7): 746. 1777].

≡ Ichnocarpus frutescens (L.) W.T. Aiton, Hort. Kew ed. 2, 2: 69. 1811.

Notes. – A specimen in the Ceylon herbarium is in G-PREL [G00818025]. Two Thunberg specimens from Ceylon have been located in the Thunberg herbarium (UPS- THUNB n° 6198 and n° 6199).