Guettarda speciosa L.

First published in Sp. Pl.: 991 (1753)
This species is accepted
The native range of this species is Kenya to S. Africa, Tropical & Subtropical Asia to Pacific. It is a shrub or tree and grows primarily in the wet tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/160300944/160300946

Conservation
LC - least concern
[IUCN]

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]

Rubiaceae, D.M.Bridson & B.Verdcourt. Flora Zambesiaca 5:3. 2003

Morphology General Habit
Shrub or small, branched or unbranched tree 1–8(18) m tall with trunk up to 15 cm in diameter.
Morphology Stem
Stems stout, with obvious leaf scars, lenticellate, bark brown, slightly rough, pubescent, at length glabrescent; young shoots velvety tomentose.
Morphology Leaves
Leaves crowded at the ends of the twigs; blades 5–32 × 3.5–22.2 cm, obovate, rounded to obtuse at the apex, rounded to cordate at the base, glabrous or almost so above, glabrous to velvety pubescent beneath; petioles 0.5–3(12) cm long; stipules free but overlapping the terminal bud, 0.7–2.3 cm long, broadly elliptic, soon falling.
Morphology Reproductive morphology Flowers
Flowers fragrant, in cymose pubescent to glabrous inflorescences from the upper axils; peduncles 0.4–19 cm long, reddish at the apex; secondary peduncles absent or 0.3–3 cm long; pedicels mostly absent or very short.
Morphology Reproductive morphology Flowers Calyx
Calyx tube green, tinged pink, 1–3(5) mm long, campanulate, appressed pubescent; limb yellowish, 2–5 mm long, undulate or with lobes 0.2 mm long.
Morphology Reproductive morphology Flowers Corolla
Corolla white, cream-coloured or yellowish or greenish-white, sometimes slightly pink-tinged, appressed silky pubescent outside; tube 2–4.6 cm long, narrowly cylindrical; lobes 4–9(11), 2–15 × 1.5–8(10) mm, oblong.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers the same number as the corolla lobes, 3–5 mm long, linear, subsessile in the throat, included.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 4–9-locular; style slender, 1.8–4.5 cm long; stigma green, obconic-cylindric, grooved, slightly bifid, reaching to or just beyond the anthers in long-styled flowers and to less than a half the way up the tube in short-styled flowers.
Morphology Reproductive morphology Fruits
Fruit green, streaked brownish-red, 0.8–2.5 × 1.2–3.5(4) cm, ovoid or subglobose, woody.
Morphology Reproductive morphology Seeds
Seeds 2–5 × 1.5–5 mm.
[FZ]

Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976

Morphology General Habit
Shrub or small branched or unbranched tree 1–8(–18) m. tall with trunk up to 15 cm. wide; young shoots velvety tomentose; stems stout, pubescent, at length glabrescent, with obvious leaf scars, lenticellate; bark brown, slightly rough.
Morphology Leaves
Leaves crowded at the ends of the twigs; blades obovate, 5–32 cm. long, 3.5–22.2 cm. wide, rounded to obtuse at the apex, rounded to cordate at the base, glabrous or almost so above, glabrous to velvety pubescent beneath; petioles 0.5–3(–12) cm. long; stipules sheathing the terminal bud, broadly elliptic, 0.7–2.3 cm. long, soon falling.
Morphology Reproductive morphology Flowers
Flowers fragrant, in cymose pubescent to glabrous inflorescences from the upper axils; peduncles 0.4–19 cm. long, reddish at apex; secondary peduncles absent or 0.3–3 cm. long; pedicels mostly absent or very short.
Morphology Reproductive morphology Flowers Calyx
Calyx-tube green, tinged pink, campanulate, 1–3(–5) mm. long, adpressed pubescent; limb yellowish, 2–5 mm. long, undulate or with lobes 0–2 mm. long.
Morphology Reproductive morphology Flowers Corolla
Corolla white, cream or yellowish or greenish white, sometimes slightly pink tinged, adpressed silky pubescent outside; tube narrowly cylindrical, 2–4.6 cm. long; lobes 4–9(–11), oblong, 0.2–1.5 cm. long, 1.5–8(–10) mm. wide.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers the same number as the lobes, linear, subsessile in the throat, 3–5 mm. long, included.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 4–9-locular; style slender, 1.8–4.5 cm. long; stigma green, obconic-cylindric, grooved, slightly bifid, reaching to or just beyond the anthers in long-styled flowers and to less than a half the way up the tube in short-styled flowers.
Morphology Reproductive morphology Fruits
Fruit green, streaked brownish red, ovoid or subglobose, 0.8–2.5 cm. long, 1.2–3.5(–4) cm. wide; putamen woody surrounded by cavities filled with pith-like tissue.
Morphology Reproductive morphology Seeds
Seeds 2–5 mm. long, 1.5–5 mm. wide, curved; radicle inferior; stony arilloid tissue present.
Figures
Fig. 164.
Habitat
On sand and coral rocks usually within reach of the highest tides and normal spray, with Cordia, Casuarina, Pemphis etc., also occasionally with mangrove vegetation; sea-level
Distribution
K7 P T3 T6 T8 Z widespread throughout Indian and Pacific Ocean beaches as far north as Pratas I., China and Ryuku Is. in Japan
[FTEA]

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
  • 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/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/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
  • Kew Science Photographs

    • Copyright applied to individual images