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This species is accepted, and its native range is Tanzania.
A specimen from Kew's Herbarium

[FTEA]

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Scapigerous perennial herb with woody rootstock; scapes 6–30 cm tall, distally slightly thickened, hairy with long simple hairs, densely so in upper part.
Morphology Leaves
Leaves rather numerous, basal, oblanceolate, 2–8 cm long, 0.4–1.6 cm wide, attenuate at base, entire or nearly so, obtuse to rounded, laxly ascending-pubescent with long simple hairs, somewhat glabrescent; leaves on scape 0–2, narrow, bract-like.
Morphology Reproductive morphology Inflorescences Capitulum
Capitula terminal, solitary or paired; involucre 12–20 mm long; phyllaries 2–3-seriate, subequal, lanceolate, 5–18 mm long, acuminate, thinly ascending-pubescent, the outer green, the inner purple on margins and at tips.
Morphology Reproductive morphology Flowers
Corolla violet, blue or purple, 11–17 mm long, lobes 3.5–5 mm long, glabrous or with a few stiff apical hairs.
Morphology Reproductive morphology Fruits
Achenes 5–7-ribbed, ascending-pubescent; outer pappus of narrow scales 1.2–1.8 mm long, inner pappus 8–10.5 mm long, stramineous.
Habitat
Burned grassland; 1850–2750 m
Distribution
T4 T7 not known elsewhere

Native to:

Tanzania

Lettowia nyassae (Oliv.) H.Rob. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nov 1, 1968 Thomson [s.n.], Tanzania Vernonia nyassae K000273025 holotype

First published in PhytoKeys 25: 50 (2013)

Accepted by

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

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 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