Fig. 37.

Senegalia pennata subsp. insuavis. A – Liana habit showing large green leaves (Singapore plant). B – Shrub habit showing sub-glaucous leaves (cultivated plant in China). C – Vegetative shoot (left) showing lanceolate stipule subtending developing leaf, and very young inflorescence (right) with stipules subtending youngest heads. D – ‘Smelly Senegalia’ on sale in Chiang Mai, Thailand, street market. E – Mature stem (light grey) showing robust prickles. F – Leaf showing 18 pairs of pinnae (which is at lower end of number range). G – Leaflets (apiculate) with dull lustre and pale green on lower surface (left) and darker green on upper surface (right); these leaflets are atypical in that apiculum is often centric and main vein is not parallel to upper margin. H – Petiole gland slightly thickened, situated very near pulvinus (with insert showing flattened profile). I – Petiole gland very shallowly elongate-cupular, situated at distal end of pulvinus. Vouchers: B.R. Maslin et al. BRM 11016 (A); B.R. Maslin & L. Bai BRM 11025 (B & I); B.R. Maslin & L. Bai BRM 11043 (C, E, F, G & H). Photos: B.R. Maslin (A, B, D) and L. Bai (C, E – I). Scale bar = 5 mm (unless otherwise indicated).