Cryptolepis calophylla (Baill.) L.Joubert & Bruyns

First published in Taxon 65: 498 (2016)
This species is accepted
The native range of this species is W. Tropical Africa to South Sudan and N. Mozambique. It is a liana and grows primarily in the wet tropical biome.

Descriptions

Apocynaceae (part 2), David Goyder, Timothy Harris, Siro Masinde, Ulrich Meve, Johan Venter. Flora of Tropical East Africa, 2012

Morphology General Habit
Large liana.
Morphology Roots
Roots unknown.
Morphology Stem
Stems up to 20 m long, pale brown, glabrous, verrucose, flaky
Morphology Leaves
Leaf petiole (2–)5–7 cm long; blade broadly ovate, 9–12(–14) × 5–11 cm, obtuse to cuspidate, base cordate, veins pale green above, dark green beneath
Morphology Reproductive morphology Inflorescences
Inflorescences 10–30-flowered.
Morphology Reproductive morphology Inflorescences Peduncles
Peduncles 1–3 cm long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts acicular, ± 2 mm long.
Morphology Reproductive morphology Flowers Pedicel
Pedicels 4–5 mm long
Morphology Reproductive morphology Flowers Calyx
Sepals sub-orbicular, 2 × 2 mm
Morphology Reproductive morphology Flowers Corolla
Corolla glabrous outside; tube campanulate, 5–6 mm long, inside of mouth papillate; lobes spreading, broadly elliptic to broadly ovate, 6–7 × 6–7 mm, obtuse, inside papillate, pink, maroon, dark red or violet to deep violet
Morphology Reproductive morphology Flowers Corona
Coronal collar borne in lower half of corolla tube; lobes violet to maroon, 2 mm long and fused to corolla tube’s inner face for ± 2 mm, radiating into corolla tube cavity, radiating processes channelled, upper part bisegmented, outer segment subulate to obtuse, inner segment concavely hoodshaped
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens green.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments terete, ± 0.5 mm long, glabrous.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers narrowly hastate-ovate, ± 0.5 mm long, pubescent to rarely glabrous on back
Morphology Reproductive morphology Flowers Nectaries
Interstaminal nectaries sub-orbicular, erect around style.
Morphology Reproductive morphology Flowers Gynoecium Style
Style terete, ± 1 mm long, style-head ± 1 mm long; translators ± 1 mm long.
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium concealed in corolla tube
Morphology Reproductive morphology Fruits
Follicles very narrowly deltoid-ellipsoid to deltoid-ovoid, 2-edged, obtuse-acute, 11–25 cm long, 2–4 cm diameter, glabrous
Morphology Reproductive morphology Seeds
Seeds dark brown, narrowly elliptic to obliquely narrowly elliptic, 6–8 mm long, reticulate to warty; coma 3–4 cm long
Figures
Fig 39, p 124
Ecology
Swampy forest, riverine forest and coastal thicket to grassland; 0–1150 m
Distribution
Flora districts: U4 K1 K4 K7 T2 T3 T6 T7 T8 Z Range: Senegal and Mali to Central African Republic and South Sudan
[FTEA]

Goyder, D. J., Gilbert, M. G. & Venter, H. J. T. (2020). Apocynaceae (part 2). In: M. A. García (ed.), Flora Zambesiaca, Vol. 7(3). Royal Botanic Gardens, Kew.

Type
Tanzania, Zanzibar, Boivin 1008A (P holotype).
Morphology General Habit
Large liana
Morphology Roots
Roots unknown
Morphology Stem
Stems up to 20 m long, glabrous, pale brown, verrucose, flaky
Morphology Leaves
Leaf petiole (2)5–7 cm long; blade broadly ovate, 9–12(14) cm long, 5–11 cm wide, veins pale green above, dark green beneath
Morphology Reproductive morphology Inflorescences
Inflorescences 10–30-flowered; peduncles 1–3 cm long, pedicles 4–5 mm long; bracts acicular, ± 2 mm long
Morphology Reproductive morphology Flowers Calyx
Sepals sub-orbicular, 2 mm long, 2 mm wide
Morphology Reproductive morphology Flowers Corolla
Corolla glabrous outside; tube campanulate, 5–6 mm long, inside of mouth papillate; lobes broadly elliptic to broadly ovate, obtuse, spreading, 6–7 mm long, 6–7 mm wide, inside papillate, pink, maroon, dark red or violet to deep violet
Morphology Reproductive morphology Flowers Corona
Coronal collar borne in lower half of corolla tube; lobes violet to maroon, 2 mm long and fused to corolla tube’s inner face for ± 2 mm, radiating into corolla tube cavity, radiating processes channelled, upper part bisegmented, outer segment subulate to obtuse, inner segment concavely hood-shaped
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens green; filaments terete, ± 0.5 mm long, glabrous; anthers narrowly hastate-ovate, ± 0.5 mm long, pubescent to rarely glabrous on back
Morphology Reproductive morphology Flowers Nectaries
Interstaminal nectaries sub-orbicular, erect around style
Morphology Reproductive morphology Flowers Gynoecium Style
Style terete, ± 1 mm long, style-head ± 1 mm long; translators ± 1 mm long
Morphology Reproductive morphology Flowers Gynostegium
Gynostegium concealed in corolla tube
Morphology Reproductive morphology Seeds
Seeds narrowly elliptic to obliquely narrowly elliptic, dark brown, 6–8 mm long, reticulate to warty; coma 3–4 cm long. Follicles vary narrowly deltoid-ellipsoid to deltoid-ovoid, 2-edged, obtuse-acute, 11–25 cm long, 2–4 cm diam., glabrous
Distribution
Mozambique, Zimbabwe. Also in Tanzania, Kenya, Uganda, Sudan, the Central African Republic and across West Africa to Mali and Senegal.
Ecology
In swampy forest, riverine forest and coastal thicket and grassland; 0−1100 m.
[FZ]

Uses

Use
The roots are used as an aphrodisiac. The flossy cortical fibres are spun into fish nets and bow strings
[FTEA]

Use
The roots are used as an aphrodisiac. The flossy cortical fibres are spun into fish nets and bow strings.
[FZ]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • 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