Paropsia obscura O.Hoffm.

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 : 12

Paropsia obscura O.Hoffm.

Fig. 5I–L

Material examined

MADAGASCAR • Diego-Suarez/Antsiranana: Presqu’île d’Ampasindava, Ampasindiva, forêt de Bongomihiravavy; 10 Nov. 2008; M.C. Madiomanana et al. 108; P [ P05470672 ] !.

Seed description

Seeds compressed, 7.7 mm long, 6.3 mm wide and 2 mm thick, cordate. The surface is coarsely reticulate and light cream, with 3.75 reticulations per mm 2. The reticulations have an average diameter of 675 µm and a depth of 188 µm. The margin is striate. The apex has a prominent appendage. The base is obtuse, without a mucro. The palisade seed coat is 214 µm thick.

Figures

Fig. 5. Seeds of the genus Paropsia Noronha ex Thouars. A–D. Paropsia humblotii H.Perrier (Ragauaparany 8040; P04766828). E–H. Paropsia madagascariensis H.Perrier (R. Bernard 120; P04766852). I–L. Paropsia obscura O.Hoffm (Madiomanana et al. 108; P05470672). M–P. Paropsia vareciformis (Griff.) Mast. (H. Schaller & L.E. Teo 3826; P05538484). 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.