Paropsia edulis Thouars

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

Paropsia edulis Thouars

Figs 1C , 4E–H

Material examined

MADAGASCAR • d’Ambolavoanio à Mataninina au bord rivière Andronomadio; 2 Sep. 1949; G. Cours 3424; P [ P04767996 ] !.

Seed description

Seeds compressed, 7.1 mm long, 5.8 mm wide and 2.4 mm thick, cordate. The surface is coarsely reticulate and light brown, with 7.12 reticulations per mm 2. The reticulations have an average diameter of 414 µm and a depth of 188 µm. The margin is striate. The apex has a prominent appendage. The base is obtuse and truncate, with a mucro. The palisade seed coat is 281 µm thick.

Figures

Fig. 1. Cross-sections of seeds from each genus. A. Androsiphonia adenostegia Stapf (P04772168). B. Barteria fistulosa Mast. (P04772344). C. Paropsia edulis Thouars (P04767996). D. Paropsiopsis decandra (Baill.) Sleumer (P04772112).E. Smeathmannia pubescens Sol. ex R.Br. (P04772722). F. Seed coat of Barteria fistulosa (P04772344). Scale bars: A = 1.5 mm; B–D = 1 mm; E = 0.8 mm; F = 1.1 mm.

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.