$modus 0: smartphone
$modus 1: smartphone
Xylocalyx asper
Xylocalyx asper Balf.f. [Accepted]
Scrophulariaceae Orobanchoideae Xylocalyceae
1077840
Xylocalyx asper Balf.f.
I.B. Balfour, Bot. Socotra: t. 63 (1888)
Xylocalyx asper Balf.f.
Kew Bull., vol. 13 : p. 359, fig. 1 (1958) [n.a.]
Xylocalyx asper Balf.f.
Kew Bull., vol. 16 : p. 149, fig. 1 (1962-1963) [S. Carter]