Salpinctium stenosiphon (C.B.Clarke) T.J.Edwards

Erect, perennial, 100-250 mm almost glabrous but with pubescent nodes. Leaves cordate to trullate, usually with petioles up to 10 mm, 14-47 x 10-20 mm; venation reticulate with 4-6 pairs of lateral veins. Inflorescence up to 40 mm, bearing 5-12 flowers 5-10 mm apart. Bracts deltate 2 x 0.5 mm, bracteoles minute. Calyx glabrous on the outside but sparsely glandular within. Corolla tube 14-19 x 2-3 mm; upper lip 5 mm; lower lip 8 mm. Anther connective eglandular. Pollen bicolporate, margocolpi in 2 pairs; inner pair as well-defined bands and outer pair areolate or ill defined. Ovary 3-4 x 2 mm glabrous; style 15-17 mm; stigma bifid. Capsule 20 x 6 mm, stipe 10 mm; jaculators 3-5 mm with acute undivided tips. Seeds reniform, 4.5 x 0.75 mm compressed with irregular tubercles and a discontinuous peripheral ridge.