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This species is accepted, and its native range is E. Tanzania to N. Mozambique.

[FZ]

Flora Zambesiaca Acanthaceae (part 2) by Iain Darbyshire, Kaj Vollesen and Ensermu Kelbessa

Morphology General Habit
Subshrub 40–500 cm tall, scandent or spreading; stems glabrous or upper internodes with crisped, often retrorse hairs on two opposite sides.
Morphology General Spines
Axillary spines ± sparse, 2(4)-rayed, stalk to 1 mm long, longest ray (3.5)7–17 mm long.
Morphology Leaves
Leaves elliptic(-obovate), 4.8–13.5 × 1.7–5.2 cm, base cuneate-attenuate, apex acute or attenuate, mucronate, glabrous or margin, midrib and veins sparsely strigose beneath; petiole to 12 mm.
Morphology Reproductive morphology Inflorescences
Inflorescence a loose terminal spike 2–15.5 cm long, initially contracted but soon lax, each cymule 1-flowered, sessile or peduncle to 3 mm long, pedicels to 1.5 mm; bracts ± spreading, lower pairs foliaceous, soon reducing upwards where oblanceolate, 12.5–32(42) × 2–11(14) mm, apex acute or shortly attenuate, mucronate, hairs as leaves beneath, few broad sessile glands towards base; bracteoles spinose, 4–14 × 0.4–1.8 mm.
Morphology Reproductive morphology Flowers Calyx
Outer calyx lobes subequal, ovate or lanceolate, 8–12.5 × 3.5–6.5 mm, apex acute or attenuate, mucronulate, anterior lobe often notched, glabrous or with few minute subsessile glands towards apex, venation parallel, often inconspicuous; lateral lobes 6.5–10.5 mm long, usually with minute subsessile glands and/or eglandular hairs towards apex.
Morphology Reproductive morphology Flowers Corolla
Corolla (28)33–43.5 mm long, yellow, orange or apricot, glabrous externally; tube 9–12 mm long; limb in 4+1 arrangement; abaxial lobe (13)17–22.5 × 7–12 mm, offset by (5.5)7.5–13.5 mm; lateral lobes as abaxial but (11.5)15.5–20.5 mm long; adaxial lobes as laterals but 4.5–8.5 mm wide.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens with filaments 21.5–29.5 mm long, minutely pubescent in proximal half; anthers 2.3–3 mm; lateral staminodes 1.5–3.5 mm, pubescent or pilose, antherodes 0.9–1.2 mm.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous; stigma 0.6–1 mm long.
Morphology Reproductive morphology Fruits
Capsule 14–18.5 mm long, glabrous.
Morphology Reproductive morphology Seeds
Seeds 6.5–8 × 5–7 mm.
Distribution
Also in E Tanzania.
Ecology
Riverine forest and thicket, open lowland forest and margins; 50-300 m.
Conservation
Conservation notes: Common in lowlands of E Tanzania but only just extends into Mozambique; assessed as Least Concern in F.T.E.A.

Native to:

Mozambique, Tanzania

Barleria tanzaniana (Brummitt & J.R.I.Wood) I.Darbysh. appears in other Kew resources:

First published in Fl. Trop. E. Africa, Acanth.(2): 422 (2010)

Accepted by

  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2010). Flora of Tropical East Africa, Acanthaceae (Part 2): 287-756.
  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015). Flora Zambesiaca 8(6): 1-314. Royal Botanic Gardens, Kew.

Literature

Flora Zambesiaca

  • in F.T.E.A., Acanthaceae 2: 422 (2010).

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

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0