1. Family: Orobanchaceae Vent.
    1. Genus: Alectra Thunb.
      1. Alectra rigida (Hiern) Hemsl.

        This species is accepted, and its native range is SW. Ethiopia to S. Tropical Africa.

    [FZ]

    Scrophulariaceae, D. Philcox. Flora Zambesiaca 8:2. 1990

    Habit
    Erect annual herb, 10–50(250) cm. tall; stems slender, erect, simple or branched from about midway or above, hispid with retrorse hairs.
    Leaves
    Leaves sessile, all opposite, erect, subappressed, 10–20(30) x 1.5–3 mm., linear-lanceolate or oblong, obtuse, broadly caudate to rounded at base, fine appressed retrorse hirsute especially beneath; margin thickened, bristly with short tubercle-based coarse hairs, 2–3(4) thickened teeth on each side, subprominently 1-nerved.
    Flowers
    Flowers in subcompact spike-like racemes at ends of branches, shortly pedicellate, solitary in axils of leaf-like bracts, inflorescence becoming lax at fruiting.
    Pedicel
    Pedicels 1–1.5 mm. long.
    Bracts
    Bracts 5–18 x 2–3.75 mm., ovate, acute or obtuse, 1-nerved, leaf-like, entire or with 1 or 2 teeth towards apex.
    Bracteoles
    Bracteoles 3–5 x 0.5–1.75 mm., linear.
    Calyx
    Calyx 6.5–7 mm. long, clearly 10-nerved, subglabrous to finely retrorse pubescent especially on nerves; lobes 2.5–3 mm. long, shorter than tube, triangular, obtuse, coarsely hairy on margin.
    Corolla
    Corolla yellow with purplish venation, to c. 12 mm. long, narrow at base widening into limb of short, rounded, subequal lobes.
    Stamens
    Filaments all glabrous, anther thecae apiculate.
    Fruits
    Capsule 5–6 x c. 3 mm., oblong-ovoid.
    [FTEA]

    Scrophulariaceae, S.A. Ghazanfar, F.N. Hepper & D. Philcox. Flora of Tropical East Africa. 2008

    Type
    Type: Angola,  Welwitsch 5797 (LISC, holo.; BM, K!, iso.)
    Habit
    Perennial herb 20–70(–85) cm high.
    Stem
    Stems erect, simple or branched about midway, terete to angular, purplish, pilose to hispid with retrorse hairs.
    Roots
    Roots orange
    Leaves
    Leaves sessile, erect, opposite, oblong-lanceolate to linear-lanceolate, 10–30 mm long, 2–3.5 mm wide, 1-veined, hispid on both surfaces with usually bulbous-based coarse hairs on thickened margins, fine retrorsely hairy otherwise, margins entire with 2–3 obscure teeth on each side, apex rounded
    Inflorescences
    Inflorescence of terminal spikelike racemes, sometimes lax; flowers solitary in the axils of leaf-like bracts; pedicel 0–0.5 mm
    Bracts
    Bracts oblong-ovate to ovate, ± 10 mm long, with 1–3-veins prominent, entire, margins with tubercle-based retrorse hairs, retrorse hairs on the veins, ± glabrous otherwise; bracteoles ovate, 5–18 mm long, acute or obtuse
    Calyx
    Calyx 7–8 mm long, 10-veined, ± glabrous to finely and sparsely pubescent with ± retrorse hairs on the margins and veins; lobes 2.5–3 mm, ovate, acute
    Corolla
    Corolla pale yellow with purplish veins, about twice the length of the calyx, lobed above with rounded, ± equal lobes
    Stamens
    Stamens unequal; filaments glabrous; anthers apiculate
    Fruits
    Capsule oblong-ovoid, ± 5 mm long, ± 3 mm in diameter, glabrous.
    Ecology
    Wet and boggy grassland; 950–1650 m
    Conservation
    Least Concern (LC) due to its wide distribution range, however known in the Flora area from three collections only
    Distribution
    Flora districts: T4 T8 Range: Angola, Zambia, Malawi, Zimbabwe
    [FTEA]
    Use
    None recorded on specimens from our area

    Images

    Distribution

    Native to:

    Angola, Ethiopia, Kenya, Malawi, Tanzania, Zambia, Zimbabwe

    Alectra rigida (Hiern) Hemsl. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Milne-Redhead, E. [9844], Tanzania 24443.000
    Gossweiler, J. [11560], Angola K001009037
    Gossweiler, J. [11560], Angola K001009038
    Gossweiler, J. [2721], Angola K001009039
    Welwitsch [5797], Angola K000405364 Unknown type material
    Bamps, P. [4160], Angola K001009036

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 4(2): 369 (1906)

    Accepted by

    • Kliment, J., Turis, P. & Janišová, M. (2016). Taxa of vascular plants endemic to the Carpathian Mts Preslia. Casopsi Ceské Botanické Spolecnosti 88: 19-76.
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.

    Literature

    Flora of West Tropical Africa
    • in E.T.A. 4, 2: 369 (1906).
    Kew Backbone Distributions
    • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
    • Ghazanfar, S.A., Hepper, F.N. & Philcox, D. (2008). Flora of Tropical East Africa, Scrophulariaceae: 1-211.
    • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
    Flora of Tropical East Africa
    • Fl. Ethiop. & Eritr. 5: 287 (2006).
    • F.Z.: 8(2): 85 (1990)
    • F.T.A. 4(2): 368 (1906)

    Sources

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

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    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 2019. 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 2019. 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