Rotheca quadrangulata (B. Thomas) R. Fern.

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Rotheca quadrangulata

Picture: Bart Wursten
Kaperepeza road, Nyika National Park

Rotheca quadrangulata

Picture: Bart Wursten
Kaperepeza road, Nyika National Park

Rotheca quadrangulata

Picture: Bart Wursten
Kaperepeza road, Nyika National Park

Rotheca quadrangulata

Picture: Bart Wursten
Kaperepeza road, Nyika National Park

Rotheca quadrangulata

Picture: Bart Wursten
Kaperepeza road, Nyika National Park

Rotheca quadrangulata

Picture: Bart Wursten
Kaperepeza road, Nyika National Park

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Synonyms: Clerodendrum attenuatum (De Wild.) De Wild. nom. illegit. non R. Br.
Clerodendrum myricoides (Hochst.) D.A. Steane & Mabb. var. attenuatum De Wild.
Clerodendrum myricoides (Hochst.) D.A. Steane & Mabb. var. camporum sensu Moldenke non Gürke
Clerodendrum quadrangulatum B. Thomas
Clerodendrum quadrangulatum B. Thomas var. reclinans B. Thomas
Clerodendrum sansibarense Gürke subsp. sansibarense sensu Verdcourt in FTEA p.p.
Clerodendrum scheffleri sensu Richards & Morony non Gürke
Common names:
Frequency:
Status: Native
Description:
Erect or sometimes scrambling, weak-stemmed shrub up to 5 m tall. Branches 4-angled, hairless or with a floccose whitish or fulvous indumentum towards the apices when young; flowering branches slender, sometimes pendulous; bark brown with prominent lenticels. Leaves opposite more or less closely spaced on the upper part of the flowering branches, sessile or almost so, broadly elliptic to orbicular or oblanceolate or oblong-oblanceolate, 3–22 cm long, usually hairless or very sparsely pubescent above and more hairy beneath with short whitish hairs; margin entire or serrate-dentate in the upper broader part of the leaf with teeth 12-14 on each side. Inflorescence forming a terminal leafy laxly-spreading open panicle, up to c. 30 cm long; peduncles filiform and wiry, lowermost 6.5–12 cm long, purple, hairless or sparsely shortly hairy; bracts linear; pedicels c. 6 mm long, glabrous or sparsely hairy. Calyx 3–5 mm long and 4–5 mm wide, reddish-purple, usually hairless, sometimes minutely pubescent; lobes ovate-triangular to oblong or semicircular, shorter than the tube. Corolla usually with the four lateral lobes pale greenish, bluish-green, creamy-green or greenish-violet, and the median lobe deep violet, blue or purple. Fruit ovoid, 7–9 mm wide and 5–6 mm long, glossy, red, reddish-brown or bronze-brown.
Type location:
DRC
Notes:
Derivation of specific name: quadrangulata: 4-angled, quadrangular.
Habitat: Along margins of evergreen forest, riverine forest, in wooded gullies and also in high-rainfall woodland or on termite mounds.
Altitude range: 570 - 2250 m
Flowering time:
Worldwide distribution: DRC, Tanzania, Malawi and Zambia
Zambian distribution (Flora Zambesiaca): N,W,C,E,S
Zambian distribution (Provinces): Nw,N,Mc,C,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Wednesday 8 May 2019
Literature:

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 191. (Includes a picture).

Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 28. As Clerodendrum quadrangulatum

Fernandes, R. (2005). Lamiaceae (subfamilies: Viticoideae and Ajugoideae) Flora Zambesiaca 8(7) Pages 132 - 134.

Other sources of information about Rotheca quadrangulata:

Our websites:

Flora of Malawi: Rotheca quadrangulata

External websites:

African Plants: A Photo Guide (Senckenberg): Rotheca quadrangulata
BHL (Biodiversity Heritage Library): Rotheca quadrangulata
EOL (Encyclopedia of Life): Rotheca quadrangulata
ePIC (electronic Plant Information Center): Rotheca quadrangulata
Flora Zambesiaca web site: Rotheca quadrangulata
GBIF (Global Biodiversity Information Facility): Rotheca quadrangulata
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Rotheca quadrangulata
iNaturalist: Rotheca quadrangulata
IPNI (International Plant Names Index): Rotheca quadrangulata
JSTOR Plant Science: Rotheca quadrangulata
Kew Herbarium catalogue: Rotheca quadrangulata
Mansfeld World Database of Agricultural and Horticultural Crops: Rotheca quadrangulata
Plants of the World Online: Rotheca quadrangulata
The Plant List (version 1.1): Rotheca quadrangulata
Tropicos: Rotheca quadrangulata
Wikipedia: Rotheca quadrangulata


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-20

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2020). Flora of Zambia: Species information: Rotheca quadrangulata.
https://www.zambiaflora.com/speciesdata/species.php?species_id=212860, retrieved 4 August 2020

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