Taxonomie : D'après N.Y. Sandwith (Bull. Misc. Inform. Kew, 1935:
311-313. 1935): "
B. ceranthera Benth. is reduced to
B. gymnocalycina Juss., the only discrepancy between the type collections being the presence or absence of glands on the calyx."
Type : "10.
B. ceranthera, sp. n., foliis obovato- v. oblongo-ellipticis vix acuminatis basi acutis glabris praeter costam subtus pilosam, petiolis ramulisque novellils rufo-pilosis, calyce 10-glanduloso, antheris hirsutis, connectivo clavato ultra loculos producto, his in acumen longum desinentibus, ovario apice piloso.- On the Essequibo and Ripunoony, Schomb. 1st Col. n. 525." [protologue].
Guyana, on the Essequibo and Rupununi, R.H. Schomburgk I.525 (LT:
K000370485 [ex hb. Benth.; désigné par ?]; ILT: B [
F neg. 12867],
BM000571221 [sur
Global plants],
BR0000008497277,
G00352711,
G00352712 [ex hb. DC.],
K000370486 [ex hb. Hook.],
K000370500,
L0064030,
MO-251755,
P02428539 [ex hb. Dunant],
P02428540 [ex hb. Cosson],
TCD0003864,
V0062658F).
