Momordica rostrata Zimm.

First published in Cucurbitac. 2: 183 (1922)
This species is accepted
The native range of this species is S. Ethiopia to N. & Central Tanzania. It is a climbing tuberous geophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Softly woody deciduous climber to 7 m
Morphology Roots
Rootstock tuberous, partially subaerial, dark green, tapered, sulcate, 15–20 cm across
Morphology Stem
Stems quickly woody, with pale bark
Morphology Leaves
Leaves pedately (5–)9(–12)-foliolate; central leaflet elliptic to almost circular, cuneate, sinuate-denticulate, 1.1–4.7 x 1–2.8 cm; lateral leaflets smaller; petiolule of central group of leaflets 0.6–3.1 cm long; petiole 2.5–25 mm long
Morphology General Tendrils
Tendrils simple
Morphology Reproductive morphology Inflorescences
Male flowers 1–14 in pedunculate bracteate subumbelliform clusters Dioecious
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 0.4–10 cm long, axillary or ± crowded on contracted leafless stems
Morphology Reproductive morphology Inflorescences Bracts
Bract 1–3 mm long, pale green, immediately subtending the flowers
Morphology Reproductive morphology Flowers Pedicel
Pedicels pubescent, 2–13 mm long Pedicel 0.2–1.5 cm long
Morphology Reproductive morphology Flowers Hypanthium
Hypanthium broadly campanulate, brownish green, 2–2.5 mm long
Morphology Reproductive morphology Flowers
Female flowers solitary, subsessile
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary narrowly ovoid, 12–14 mm long, slightly 8-ridged
Morphology Reproductive morphology Flowers Calyx
Sepals triangular-lanceolate, 1.5–2 mm long Sepals triangular, apiculate, green at the apex, 2–4 mm long
Morphology Reproductive morphology Flowers Corolla
Petals like those of male flowers Petals orange-yellow, oblong, rounded, 7–13 mm long, 3 with a dark basal marking
Morphology Reproductive morphology Fruits
Fruit ovoid, rostrate, subterete or slightly 8-angled, 3–7 x 1.5–3 cm, bright red, flesh yellowish
Morphology Reproductive morphology Seeds
Seeds sheathed in yellowish pulp, broadly ovate, c. 14 x 10 x 2.5 mm, faces sculptured.
Distribution
C2; S1, 3; S Ethiopia, NE Uganda, Kenya, N & Central Tanzania
Ecology
Altitude range 35–470 m.
Vernacular
Saaro-saaro (Somali).
[FSOM]

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]

Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

Morphology General Habit
Climber to 7 m.; rootstock tuberous, visible above ground and tapering upwards into the stems, dark green or brownish with scattered paler lenticels, longitudinally sulcate, 15–20 cm. across.
Morphology Stem
Young stems green, herbaceous, glabrous except for hair-tufts at the nodes, soon becoming woody with smooth or slightly rough grey or brownish bark; basal stems thickened.
Morphology Leaves
Leaves pedately biternately (5–7–)9(–12)-foliolate, deciduous; terminal leaflet elliptic, ovate or suborbicular, equal-sided and cuneate, slightly apiculate, sinuate-toothed or dentate, 11–47 mm. long, 10–28 mm. broad; lateral leaflets somewhat smaller, tending to be rather more rounded and somewhat unequal-based; central rhachis longer than petiole, 6–31 mm. long; petiolules up to 13 mm. long; petiole 2.5–25 mm. long.
Morphology General Tendrils
Tendrils simple.
Morphology Reproductive morphology Flowers
Dioecious. Male flowers 1–14, subumbellate on a 4–100 mm. long glabrous or pubescent peduncle and immediately subtended by a small pale green white-pubescent 1–3 mm. in diameter (rarely up to 7–10 mm. long and 10–12 mm. broad) bract; peduncles on current stems or produced in clusters at the nodes on old leafless stems, the flowering stems often practically leafless and with reduced internodes and then giving the appearance of a fasciculate inflorescence; pedicels white-pubescent, 2–13 mm. long; receptacle-tube brownish-green, broadly campanulate, 2–2.5 mm. long; lobes subulate-triangular to rounded-triangular, 2–4 mm. long, pale green, hairy at the margins; petals oblong-lingulate, rounded and slightly apiculate, 7–13 mm. long, 4–8 mm. broad, recurved in upper third, rich orange-yellow, 3 with a dark greenish- to brownish-purple basal patch, 2 with incurved scales inside at the base; stamens (fig. 2/6a, 6b, p. 18) 3; thecae triplicate. Female flowers solitary (rarely paired), subsessile, minutely bracteate; ovary 12–14 mm. long, 2.5–3 mm. across, with 8 slight longitudinal ridges; receptacle-tube shallow; lobes triangular-lanceolate, ± 1.5–2 mm. long; petals ± 8 mm. long and 4 mm. broad.
sex Male
Male flowers 1–14, subumbellate on a 4–100 mm. long glabrous or pubescent peduncle and immediately subtended by a small pale green white-pubescent 1–3 mm. in diameter (rarely up to 7–10 mm. long and 10–12 mm. broad) bract; peduncles on current stems or produced in clusters at the nodes on old leafless stems, the flowering stems often practically leafless and with reduced internodes and then giving the appearance of a fasciculate inflorescence; pedicels white-pubescent, 2–13 mm. long; receptacle-tube brownish-green, broadly campanulate, 2–2.5 mm. long; lobes subulate-triangular to rounded-triangular, 2–4 mm. long, pale green, hairy at the margins; petals oblong-lingulate, rounded and slightly apiculate, 7–13 mm. long, 4–8 mm. broad, recurved in upper third, rich orange-yellow, 3 with a dark greenish- to brownish-purple basal patch, 2 with incurved scales inside at the base; stamens (fig. 2/6a, 6b, p. 18) 3; thecae triplicate.
sex Female
Female flowers solitary (rarely paired), subsessile, minutely bracteate; ovary 12–14 mm. long, 2.5–3 mm. across, with 8 slight longitudinal ridges; receptacle-tube shallow; lobes triangular-lanceolate, ± 1.5–2 mm. long; petals ± 8 mm. long and 4 mm. broad.
Morphology Reproductive morphology Fruits
Fruit on a 2–15 mm. long stalk, ovoid and beaked, 31–70 mm. long, 15–30 mm. across, subterete or with 8 slight longitudinal ridges or angles, bright red.
Morphology Reproductive morphology Seeds
Seeds when fresh enclosed in pockets of yellowish pulp, broadly ovate in outline, blackish-brown, 14 × 10 × 2.5 mm.; testa sculptured; margins grooved.
Habitat
Deciduous bushland, thicket, woodland and wooded grassland; 15–1650 m.
Distribution
K1 K4 K6 K7 T1 T2 T3 T5 U1 southern Ethiopia
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

    • Flora of Somalia
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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/
  • 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