Subgenus 2. Butumia (G.Taylor) Cheek comb. et stat. nov.
Type species: Sapicolella marginalis (G.Taylor) Cheek.
http://www.ipni.org/urn:lsid:ipni.org:names:77297285-1
Basionym: Butumia G.Taylor, Bull. Brit. Mus. (Nat. Hist.), Bot. 1: 55 (1952).
Roots, crustose in centre, but mostly comprised of radiating, long, entire, rarely branched, broadly ribbon-like roots with numerous marginal shoots. Stems highly contracted, not visible. Leaves with sheathing base (where known), blade reduced, shorter than base, stipules present (where known).
DISTRIBUTION. Guinea-Conakry, Nigeria, Cameroon.
ETYMOLOGY. Taking the name of the basionym Butumia (itself named for the Butum River, Nigeria).
Species 5 – 6: Sapicolella marginalis (G.Taylor) Cheek, S. deniseae Cheek