Paropsia grewioides Welw. ex Mast.

Lagrange, Flavien, Martínez, Camila & Rio, Cédric Del, 2024, Seed morphology of the paleotropical tribe Paropsieae (Passifloraceae, Malpighiales), and paleobotanical implications, European Journal of Taxonomy 943, pp. 1-23 : 10-12

Paropsia grewioides Welw. ex Mast.

Fig. 4I–L

Material examined

CAMEROON • 8 km N de Ntam (80 km ENE de Lomié); 8 Aug. 1963; R. Letouzey 5589; P [ P04772193 ] !.

Seed description

Seeds compressed, 5.0 mm long, 2.9 mm wide and 1.4 mm thick, oblong. The surface is reticulate-foveolate and light cream, with 6.12 reticulations per mm 2. The reticulations have an average diameter of 458 µm and a depth of 173 µm. The margin is entire with a very pronounced fold. The apex lacks a prominent appendage. The base is acute, with a mucro. The palisade seed coat is 221 µm thick.

Figures

Fig. 4. Seeds of the genus Paropsia Noronha ex Thouars. A–D. Paropsia brazzaeana Braill. (E. Dekindt 564; P04772425).E–H. Paropsia edulis Thouars (G. Cours 3424; P04767996). I–L. Paropsia grewioides Welw. ex Mast. (R. Letouzey 5589; P04772193). M–P. Paropsia grandiflora Sleumer (H. Humbert 32553; P04767592). A, E, I, M. Face view. B, F, J, N. Side view. C, G, K, O. Second face view. D, H, L, P. Basal view. Scale bar = 5 mm.