Fabaceae
Grona

Grona helenae (Buscal. & Muschl.) H.Ohashi & K.Ohashi

First published in J. Jap. Bot. 93: 112 (2018)
This species is accepted
The native range of this species is S. DR Congo to Angola. It grows primarily in the seasonally dry tropical biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Leguminosae, B. Verdcourt. Flora Zambesiaca 3:6. 2000

Morphology General Habit
Perennial usually subshrubby herb, 0.45–1.2 m tall.
Morphology Stem
Stems shortly spreading pubescent, mostly reddish- or purplish-brown, distinctly woody and glabrescent below.
Morphology Leaves
Leaves 1-foliolate; leaflet 0.5–3.4 × 0.25–2 cm, elliptic or slightly obovate-oblong, obtuse to subacute and mucronulate at the apex, narrowly rounded at the base, mostly drying a pale rather yellowish-green, glabrous above, shortly appressed pubescent beneath; petiole (1)6–12 mm long, sometimes persistent; petiolule (0.5)1.5–2 mm long; stipules 3–12 × 1–2.5 mm, narrowly triangular-lanceolate, persistent.
Morphology Reproductive morphology Inflorescences
Inflorescences mostly terminal, much-branched, 7–20 cm long, densely pubescent with yellowish somewhat glandular hairs; peduncle 2 cm long; pedicels (1.5)3–6.5 mm long; primary bracts 5.5–8 × 3–4 mm, broadly ovate, apiculate, each supporting one flower, shortly glandular hairy outside and with ciliate margins; secondary bracts absent.
Morphology Reproductive morphology Flowers Calyx
Calyx glandular hairy; tube 2.5 mm long; lobes 2–2.5 mm long.
Morphology Reproductive morphology Flowers Corolla
Standard purplish, red or pale rose-coloured, later turning blue, 8–8.5 × 9.5–10 mm, broadly oblate-obovate; wings similarly coloured to the standard; keel cream or green, often purple at the tip (dry).
Morphology Reproductive morphology Fruits
Fruits 15–27 mm long, of 1–5 articles, each article 4–6.5 × 4–4.5 mm, joined by narrow necks (1.5)2–2.5(3) mm wide, venose, pubescent with dense hooked hairs and some straight hairs; stipe 1–3 mm long.
Morphology Reproductive morphology Seeds
Seeds dark blackish-purple, 2.5 × 2.2 × 0.7 mm, oblong-reniform; the hilum slightly eccentric.
[FZ]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian grassland, Zambezian wooded grassland, Zambezian woodland
Morphology General Habit
Perennial, Not climbing, Herb/Shrub
[ILDIS]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • International Legume Database and Information Service

    • International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    • http://creativecommons.org/licenses/by/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0