Stuhlmannia Taub., Engler, Pflanzenw. Ost.-Afr. C: 201. 1895

Gagnon, Edeline, Bruneau, Anne, Hughes, Colin E., de Queiroz, Luciano Paganucci & Lewis, Gwilym P., 2016, A new generic system for the pantropical Caesalpinia group (Leguminosae), PhytoKeys 71, pp. 1-160 : 52-54

publication ID

https://dx.doi.org/10.3897/phytokeys.71.9203

persistent identifier

https://treatment.plazi.org/id/26EFBAE0-3A99-582E-95B5-5B6251F8DA28

treatment provided by

PhytoKeys by Pensoft

scientific name

Stuhlmannia Taub., Engler, Pflanzenw. Ost.-Afr. C: 201. 1895
status

 

17. Stuhlmannia Taub., Engler, Pflanzenw. Ost.-Afr. C: 201. 1895 Figs 27F-G View Figure 27 , 28 View Figure 28

Type.

Stuhlmannia moavi Taub.

Description.

Unarmed trees, to 25 m tall; bark brown, fissured and fibrous; young shoots eglandular or with small red glands. Stipules not seen. Leaves alternate, pinnate or bipinnate and then ending in a pair of pinnae, (1.5-) 5-11 (- 20 cm) long, pinnae in (1-) 2-10 pairs per leaf, with reddish glands; leaflets in 3-12 pairs per pinna, opposite to sub-opposite, elliptic, 7-75 (- 120) × 3-30 (- 60) mm, obtuse at the base and apex, glabrous, eglandular or with red glands on the lower surface. Inflorescence a 2-11 cm long, terminal or axillary raceme; pedicels 3-13 mm long. Flowers bisexual, sub-actinomorphic; calyx comprising a hypanthium and 5 sepals, these 5-6.5 mm long, valvate in bud, caducous; petals 5, free, yellow, the median petal with red markings, obovate, 9-12 × 3-6 mm, apex rounded, median petal slightly smaller than the others; stamens 10, free, 5.5-8 mm long, filaments pubescent; ovary stipitate, with red sessile glands, glabrous to pubescent. Fruit a flattened, oblong, woody, elliptic pod with an acuminate apex, 4.5-6 × 1.5-2 cm, dehiscing along both sutures, valves twisting, glabrous to thinly puberulous. Seeds flattened, sub-circular to ovate, c. 10-13 × 8-9 mm, brown.

Geographic distribution.

A monospecific genus in E Africa (Kenya and Tanzania) and N Madagascar.

Habitat.

Seasonally dry tropical forest, woodland on limestone and in riverine forest.

Etymology.

Named by Taubert for the German naturalist Franz Ludwig Stuhlmann (1863-1928).

References.

Brenan (1967: 45-47); Capuron (1967, under Caesalpinia insolita ); Lewis (1996); Du Puy and Rabevohitra (2002: 48, 50, under Caesalpinia insolita ); Lemmens (2010).