Lactuca homblei De Wild.

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Lactuca homblei

Habit
Miombo and chipya woodland
Kipemba area, Kalumbila Distr.
Oct 2022
Photo: Nick Wightman

Lactuca homblei

Basal leaf rosette
Miombo and chipya woodland
Kipemba area, Kalumbila Distr.
Oct 2022
Photo: Nick Wightman

Lactuca homblei

Flower & achenes
Miombo and chipya woodland
Kipemba area, Kalumbila Distr.
Oct 2022
Photo: Nick Wightman

Lactuca homblei

Flower
Miombo and chipya woodland
Kipemba area, Kalumbila Distr.
Oct 2022
Photo: Nick Wightman

Lactuca homblei

Flower
Miombo and chipya woodland
Kipemba area, Kalumbila Distr.
Oct 2022
Photo: Nick Wightman

Lactuca homblei

Habit with rootstock
Miombo and chipya woodland
Kipemba area, Kalumbila Distr.
Oct 2022
Photo: Nick Wightman

Lactuca homblei

Rootstock
Miombo and chipya woodland
Kipemba area, Kalumbila Distr.
Oct 2022
Photo: Nick Wightman

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms:
Common names:
Frequency: Locally common
Status: Native
Description:
An erect perennial herb to c. 120 cm. tall, from a semi-woody narrowly turbinate taproot; stems solitary, branched above, glabrous or sparsely glandular-setulose, often purple-tinged; leaves contemporaneous with flowers or sometimes delayed, cauline, up to c. 10 x 2.5 cm., oblanceolate-elliptic, undivided, obtuse mucronate, remotely denticulate and ciliate on the margins, bases attenuate to semi-amplexicaul, glabrous or sparsely setulose on the midrib and main nerves; upper leaves decreasing in size towards the stem apex becoming linear-lanceolate; synflorescences paniculate up to 40 cm. long, occasionally much reduced and spicate; branches up to c. 15 cm. long; capitula stalked or subsessile, solitary or in clusters of 2–4; involucres 7–9 x 1.5–2 mm. at time of flowering, increasing to 12 x 2.5 mm. in fruiting capitula, cylindric, glaucous to purple-tinged; phyllaries ciliolate above otherwise glabrous, the outermost ± narrowly ovate, the innermost up to 11 x 2.5 mm., narrowly lanceolate; florets c. 5 per capitulum; corollas yellow, up to c. 11 mm. long, the tube c. 5 mm. long, cylindric, glabrous; achenes reddish-brown, 4.5–5 x 1.75–2 mm. (including the c. 0.5 mm. long beak) flattened-ellipsoid, margins swollen, narrowly 1-ribbed, rarely 2–3-ribbed on each face, hispidulous; pappus several-seriate of white, barbellate setae c. 5–6 mm. long.
Type location:
DRC
Notes:
Derivation of specific name: homblei : after Henri Antoine Homblé, Belgian botanist who collected the type specimen in Katanga Province of DRC
Habitat: Brachystegia and Chipya woodland
Altitude range:
Flowering time:Oct - Dec
Worldwide distribution: DRC (Katanga) and Zambia
Zambian distribution (Flora Zambesiaca): W
Zambian distribution (Provinces): Nw
Growth form(s): Perennial.
Endemic status: Near Endemic
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Saturday 3 December 2022
Literature:

Pope, G.V. (1992). Compositae Flora Zambesiaca 6(1) Pages 199 - 202. (Includes a picture).

Other sources of information about Lactuca homblei:

External websites:

African Plants: A Photo Guide (Senckenberg): Lactuca homblei
BHL (Biodiversity Heritage Library): Lactuca homblei
EOL (Encyclopedia of Life): Lactuca homblei
GBIF (Global Biodiversity Information Facility): Lactuca homblei
Google: Web - Images - Scholar
iNaturalist: Lactuca homblei
IPNI (International Plant Names Index): Lactuca homblei
JSTOR Plant Science: Lactuca homblei
Mansfeld World Database of Agricultural and Horticultural Crops: Lactuca homblei
Plants of the World Online: Lactuca homblei
Tropicos: Lactuca homblei
Wikipedia: Lactuca homblei


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Lactuca homblei.
https://www.zambiaflora.com/speciesdata/species.php?species_id=202060, retrieved 21 February 2024

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