Englerodendron Harms, 1907

Breteler, F. J., 2006, Novitates Gabonenses 56. Two Anthonotha species from Gabon transferred to Englerodendron (Fabaceae, Caesalpinioideae), Adansonia (3) 28 (1), pp. 105-111 : 107-109

publication ID

https://doi.org/ 10.5281/zenodo.4601776

persistent identifier

https://treatment.plazi.org/id/754887E1-FF83-FFFC-FF7C-FBB3EDA287B0

treatment provided by

Carolina

scientific name

Englerodendron Harms
status

 

Genus Englerodendron Harms View in CoL

Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 40: 27, fig. 2 (1907); Léonard , Académie royale de Belgique, Classe des Sciences , Mémoires in 8 o 30 (2): 199 (1957); Brenan , Leguminosae , Caesalpinioideae, Flora of Tropical East Africa: 149 (1967). — Type: Englerodendron usambarense Harms .

Leonardendron Aubrév. , Adansonia , sér. 2, 8: 167 (1968); Flore du Gabon 15: 244 (1968), syn. nov.

TYPE. — Leonardendron gabunense (J.Léonard) Aubrév.

KEY TO THE SPECIES OF ENGLERODENDRON HARMS View in CoL

1. Stipules large, enveloping the leaf axil, 1-4.5 cm long ( Fig. 1C View FIG ); bracteoles 15-20 mm long; petals narrowly obovate (15-) 20-30 mm long, 5-10 mm wide, ± as long as the fertile stamens. Lower Guinea.............................................................. 1. E. conchyliophorum

— Stipules 1-6 mm long, not enveloping the leaf axil ( Fig. 1G, H, K, L View FIG ); bracteoles 7-12 mm long; petals oblanceolate 10-12(-15) mm long, 1-2.5 mm wide, distinctly shorter than the fertile stamens ...................................................................................................... 2

2. Leaves almost sessile, the lowest pair of leaflets subsessile, resembling large leafy stipules ( Fig. 1G, H View FIG ); sepals, petals, and filaments glabrous. Cameroun, Gabon................... ............................................................................................................. 2. E. gabunense

— Leaves distinctly petiolate, the lowest pair of leaflets distinctly petiolulate, not resembling large leafy stipules ( Fig. 1K View FIG ); sepals and petals ciliolate, filaments pubescent. Tanzania.... .......................................................................................................... 3. E. usambarense View in CoL

1. Englerodendron conchyliophorum (Pellegr.) Breteler View in CoL , comb. nov. ( Figs 1 View FIG A-C; 2A; 3)

Macrolobium conchyliophorum Pellegr. , Bulletin de la Société botanique de France 88: 503 (1941), p.p.; Mémoires de l’Institut d’Études centrafricaines 1: 45 (1948), p.p. — Type: Gabon. Near Lastoursville, Micouma, fl., 23.XI.1929, Le Testu 7680 (lecto-, P!; iso-, WAG!; designated by Pellegrin [1948]), see Remarks.

Anthonotha conchyliophora (Pellegr.) J.Léonard, Académie royale de Belgique, Classe des Sciences, Mémoires in 8 o 30 (2): 223 (1957), p.p., see Remarks.

Isomacrolobium conchyliophorum (Pellegr.) Aubrév. & Pellegr. , Bulletin de la Société botanique de France 104: 498 (1957), p.p.; Aubrév., Flore du Gabon 15: 190, fig. 44 (1968), p.p., see Remarks.

SPECIMENS EXAMINED. — Cameroun. Thump Mt. , Onge, ster., XI.1993, Thomas 9860 ( WAG!) .

Gabon. Micouma near Lastoursville, fl., XI.1929, Le Testu 7680 ( P!, WAG!, type) . — Loango Nat. Park Akaka, fl., XI.2004, Mouandza et al. 331 ( LBV, WAG!) . — Doudou Mts. , 40 km NW of Doussala, ster., IV.2000, Sosef et al. 1151 ( LBV, WAG!) . — Moukalaba , Doudou Nat. Park, ster., II.2004, Van Valkenburg et al. 2788, 2793a ( LBV, WAG!) .

Nigeria. Oban Group F. R ., West Block , fl., V.1971 , Van Meer 1574 ( WAG!) .

HABITAT AND DISTRIBUTION. — Rain forest of Lower Guinea. Altitude 0-500 m.

REMARKS

Léonard (1957) and Aubréville (1968b) cited the Paris specimen of Le Testu 7680 as the holotype of this species. This is not correct. In the original publication, Pellegrin (1941) cited Le Testu 7680 and Le Testu 5740 without indicating the type. Designation of a type was done in his Les légumineuses du Gabon in 1948, where the number 7680 was indicated as type, which in fact is a lectotypification. The other syntype Le Testu 5740 is not conspecific. It has only 3 fertile stamens and 6 staminodes as described by Pellegrin (1941, 1948). It is identified as Anthonotha isopetala (Harms) J.Léonard var. macrantha (J.Léonard) J.Léonard. Pellegrin’s description in the protologue shows quite well which part derives from which of the two syntypes. The shape of the stipules, from which the epithet “ conchyliophorum ” is derived, is from Le Testu 7680 as well as e.g., the large bracteoles.

Aubréville’s concept of Isomacrolobium conchyliophorum in the Flore du Gabon is also based on these two specimens of Le Testu, in the description as well as in his illustration. The elements 2 and 3 of planche 44 are after Le Testu 7680, the numbers 1, 4, 5 and 6 after Le Testu 5740.

WAG

Wageningen University

P

Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants

LBV

CENAREST

F

Field Museum of Natural History, Botany Department

R

Departamento de Geologia, Universidad de Chile

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fabales

Family

Fabaceae

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