Hypselodelphys lopei A. C. Ley, 2012

Ley, Alexandra C. & Classen-Bockhoff, Regine, 2012, Five new species of Marantaceae endemic to Gabon, Adansonia (3) 34 (1), pp. 37-52 : 44-48

publication ID

https://doi.org/ 10.5252/a2012n1a4

persistent identifier

https://treatment.plazi.org/id/E6568786-401B-E241-FD42-FAA9977E9D6F

treatment provided by

Carolina

scientific name

Hypselodelphys lopei A. C. Ley
status

sp. nov.

Hypselodelphys lopei A. C. Ley View in CoL , sp. nov.

( Figs 1 View FIG ; 7 View FIG )

Ab omnibus aliis speciebus generis Hypselodelphys similis, sed fructuum forma cum lineis rotundis verrucisque praecipue differt.

TYPUS. — Gabon. La Lope , Research station, 0°12.308’N, 11°36.304’E, 16.XII.2004, A. C. Ley 141 (holo- WAG!; iso- LBV!) GoogleMaps .

PARATYPUS. — Gabon. Mikongo, 0°17.104’N, 11°42.517’E, 13.XII.2004, A. C. Ley 125 ( LBV, WAG). HABITAT AND DISTRIBUTION. — Secondary forest at La Lope and Mikongo in Gabon (Fig. 3) GoogleMaps .

A

DESCRIPTION

Liana. Shoots erect when young and supported by other plants later on. Leaves 4 per short shoot; sheath up to 17 × 6 cm; midrib glabrous; lamina ending in a tip of 0.5-0.7 cm length. Inflorescence with several partial inflorescences, each having up to 12 internodes, glabrous, 5 mm long; only one flower pair per bract; axis 5 mm long, glabrous; 2 bracteoles, 3 mm each; fertile bracts 1.8-2 cm long. Flower white and violet, sepals white; petals violet; outer staminodes and stamen (including petaloid appendage) white. Fruit green, large (2-4 cm in diameter), rounded with 1-3 oval lobes, with ledges running around the oval lobes; surface verrucous with short spiny tips. Seeds not investigated.

REMARKS

The species Hypselodelphys lopei A. C. Ley , sp. nov. is most easily differentiated from the other species of the genus by its distinct fruit morphology, notably its different shape and surface structure (see Fig. 1 View FIG ).

NEW KEYS TO THE GENERA

For geographic circumscription of phytochoria see White (1979).

WAG

Wageningen University

LBV

CENAREST

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF