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Pogonospermum scabridum
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Habit
Degraded miombo woodland
Kipemba area, Kalumbila Distr.
Mar 2023
Photo: Nick Wightman
Leaves
Degraded miombo woodland
Kipemba area, Kalumbila Distr.
Mar 2023
Photo: Nick Wightman
Inflorescence
Degraded miombo woodland
Kipemba area, Kalumbila Distr.
Mar 2023
Photo: Nick Wightman
Flowers
Degraded miombo woodland
Kipemba area, Kalumbila Distr.
Mar 2023
Photo: Nick Wightman
Flowers
Degraded miombo woodland
Kipemba area, Kalumbila Distr.
Mar 2023
Photo: Nick Wightman
Flowers
Degraded miombo woodland
Kipemba area, Kalumbila Distr.
Mar 2023
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: |
Justicia scabrida S. Moore Monechma scabrida (S.Moore) C.B.Clarke |
| Common names: | |
| Frequency: | Occasional |
| Status: | Native |
| Description: |
Perennial or shrubby herb with several erect or ascending stems from a woody rootstock; stems to 1.5 m long, puberulous to pubescent or sericeous-puberulous (rarely subglabrous), usually with a mixture of short appressed and longer spreading hairs. Leaves dark green, sparsely sericeous to puberulous, densest along veins, often also with longer spreading hairs; petiole 4–9(12) mm long; lamina narrowly ovate or narrowly elliptic, largest 7–14.5 × 1.5–4 cm, more than 3 times longer than wide; apex acute to subacuminate, base truncate to shortly attenuate. Flowers in 3–15(20) cm long racemoid cymes, terminal and from upper leaf axils, usually dense but occasionally interrupted in basal part; peduncle clearly defined, 1–5(7) cm long; lowermost bracts foliaceous or not, upwards differentiated, middle and upper yellowish green, with broad distinct hyaline margins, elliptic or (usually) narrowly so, 12–18 × 2.5–4 mm, finely puberulous or sericeous-puberulous or sparsely so, with scattered subsessile capitate glands, distinctly ciliate; bracteoles similar or narrower, 12–15 mm long, with similar indumentum. Calyx subequally 5-lobed, 6–7(9) mm long, finely puberulous or sparsely so and sometimes with a few longer hairs on midribs, not ciliate; lobes lanceolate, acuminate to cuspidate, usually with conspicuous hyaline margins, with strong central vein. Corolla white or creamy white, with mauve lines on lower lip, 11–15 mm long, finely or minutely puberulous; tube 5–6 mm long; upper lip 6–9 mm long, slightly hooded; lower lip 6–9 mm long, broadly oblong, lobes c.1 mm long. Capsule 8–12 mm long, densely and finely puberulous. Seeds mottled grey and black, 3–3.5 × 4–4.5 mm, whitish sericeous-puberulous on edges, sparser on flanks, glabrescent. |
| Type location: |
Angola |
| Notes: | |
| Derivation of specific name: | scabrida: rough to the touch |
| Habitat: | Brachystegia woodland or tall grassland at dambo edges |
| Altitude range: (metres) | 1200 - 1500 m |
| Flowering time: | Mar - Apr |
| Worldwide distribution: | Angola, DRC (Katanga) and Zambia |
| National distribution: | W |
| Zambian distribution (Provinces): | Nw,Cb |
| Growth form(s): | Perennial. |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Images last updated: | Thursday 20 April 2023 |
| Literature: |
Darbyshire, I., Kiel, C.A., Chase, F.M. & Manzitto-Tripp, E.A. (2022). The demise of Monechma: new combinations and a new classification in the resurrected genera Meiosperma and Pogonospermum (Acanthaceae) Kew Bulletin 77 Pages 249 - 270. as Justicia scabrida Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015). Acanthaceae (Part 2) Flora Zambesiaca 8(6) Page 222. as Justicia scabrida |
Other sources of information about Pogonospermum scabridum:
External websites:
African Plants: A Photo Guide (Senckenberg): Pogonospermum scabridumBHL (Biodiversity Heritage Library): Pogonospermum scabridum
EOL (Encyclopedia of Life): Pogonospermum scabridum
GBIF (Global Biodiversity Information Facility): Pogonospermum scabridum
Google: Web - Images - Scholar
iNaturalist: Pogonospermum scabridum
IPNI (International Plant Names Index): Pogonospermum scabridum
JSTOR Plant Science: Pogonospermum scabridum
Mansfeld World Database of Agricultural and Horticultural Crops: Pogonospermum scabridum
Plants of the World Online: Pogonospermum scabridum
Tropicos: Pogonospermum scabridum
Wikipedia: Pogonospermum scabridum
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