Related records
Herbarium #
B 10 1228819
Collection #
B-Phanerogamae
Stored under taxon name

Benna alternifolia Burgt & Ver.-Lib.
tropicos
Family
Melastomataceae
Det./rev./conf./assigned
X. M. van der Burgt 2022-02-16
Ident. history
Orig.: Benna alternifolia
Collector
Burgt,X.M. van der et al. 2323
Date
2019-10-26
Location
Guinea | 9.69806, -12.83417
Label
Guinea, Forécariah Préfecture, canyon at base of Benna Plateau, 3.5 km North of Dalonia village. Alt. 330 m
Habitat
In sandstone canyon, on wet vertical rock, with 5 m overhanging rock above, in shade of rain and sun, with water seeping.
Habitus
Herb, stems somewhat woody and succulent. Attached to vertical rock by many thin roots, at least 20 cm long, radiating in all directions. A single woody root, to 2 cm thick, with deeply fissured bark, into a rock fissure. Leaf petiole succulent, bright red to reddish green. Leaves glossy light green above, dull glaucous whitish green with reddish green veins below. Leaf blade deeply cordate, one lobe often overlapping the other, blade to 31 cm long and 28 cm wide, shrinking a little when dried. Old inflorescences abundantly present, sometimes with old fruits containing glossy brown seeds. The largest plants have about 40 leaves. A colony of about 50 plants found here, on a 10 x 20 m section of vertical rock.
Annotations
PRN2022-044; Flora of Guinea-Conakry; Ex-Herbarium, Royal Botanic Gardens, Kew, UK