Psychotria punctata Vatke
First published in Oesterr. Bot. Z. 25: 230 (1875)
This species is accepted
The native range of this species is Gabon to Ethiopia and S. Tropical Africa, Mayotte. It is a shrub or tree 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
- Shrub or small tree
- Morphology Leaves
- Leaf-blades elliptic to ovate-elliptic, 3–13 x 1–6 cm, usually obtuse at the apex; bacterial nodules visible as numerous scattered dark dots; petioles up to 2 cm long; stipules ovate-triangular, 2–3 mm long, entire or ± bifid at the apex, ± persistent
- Morphology Reproductive morphology Inflorescences
- Flowers 5-merous, in rather dense pedunculate panicles; bracts obsolete
- Morphology Reproductive morphology Flowers Calyx
- Calyx with a cup-like limb; lobes obsolete
- Morphology Reproductive morphology Flowers Corolla
- Corolla white; tube 3.5–5.5 mm long; lobes 2.5–3.5 mm long
- Morphology Reproductive morphology Fruits
- Drupes red, subglobose, 5–6 x 6–9 mm; seeds with entire endosperm.
- Distribution
- S1–3; East Africa, Comoro Islands
- Ecology
- Altitude range 0–250 m.
- Note
- Three varieties were recognised by Petit in Bull. Jard. Bot. Brux. 36: 110–112 (1966) and by Verdcourt in Fl. Trop. E. Afr. (1976). The Somali material is glabrous with leaves up to about 7 x 4 cm, and belongs to var. punctata.
Rubiaceae, B. Verdcourt. Flora of Tropical East Africa. 1976
- Morphology General Habit
- Shrub or small tree (0.6–)1.2–3 m. tall, with pale glabrous stems.
- Morphology Leaves
- Leaves opposite or rarely in whorls of 4; blades elliptic to ovate-elliptic, (1–)3–13 (–15) cm. long, (0.5–) 1–6.3 cm. wide, obtuse, rounded or rarely ± acute or emarginate at the apex, cuneate at the base, glabrous or shortly puberulous on both surfaces, thin to coriaceous or subsucculent; nodules numerous, often thickly scattered in the blade; petiole glabrous, 0.2–2 cm. long; stipules ovate-triangular, 2.4 mm. long, scarcely to distinctly bifid at the apex, with very obvious rhaphides, glabrous outside but with lines of hairs at the base of the petioles and inside.
- Morphology Reproductive morphology Flowers
- Flowers sweetly scented, heterostylous, 5-merous, in rather condensed rounded branched panicles, (1–)3–8 cm. long; peduncle glabrous, 1–5 cm. long; secondary branches 0.3–1 cm. long; tufts of hairs are present in the angles of the branches; pedicels 1–3 mm. long, glabrous; bracts obsolete.
- Morphology Reproductive morphology Flowers Calyx
- Calyx-tube turbinate, 0.5–1 mm. long, glabrous; limb cupuliform, 0.6–1 mm. long, glabrous, truncate or the lobes represented only as faint undulations.
- Morphology Reproductive morphology Flowers Corolla
- Corolla white, glabrous outside; tube 3.5–5.5 mm. long; lobes oblong-elliptic, 2.5–3.5 mm. long, 1.2 mm. wide.
- Morphology Reproductive morphology Flowers Androecium Stamens
- Stamens with filaments 2–3 mm. long in short-styled flowers, 0.2–0.7 mm. long in long-styled flowers.
- Morphology Reproductive morphology Flowers Gynoecium Pistil
- Style 1.5–3.5 mm. long in short-styled flowers and 4.5–5.5 mm. long in long-styled flowers; stigma-lobes 0.5–1 mm. long.
- Morphology Reproductive morphology Fruits
- Drupes red, with 2 pyrenes, subglobose, 5–6 mm. tall, 6–9 mm. wide, slightly 2-lobed, glabrous; pyrenes subglobose, 5 mm. tall, 5.5 mm. wide, 4.5 mm. thick, the walls packed with rhaphides.
- Morphology Reproductive morphology Seeds
- Seeds red, subglobose, 4.5 mm. long, 5 mm. wide, 4 mm. thick, with a ventral T-shaped median fissure ± 2 mm. deep; albumen not ruminate.
Sources
-
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
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Herbarium Catalogue Specimens
-
Kew Backbone Distributions
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 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 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0