1. Family: Tecophilaeaceae Leyb.
    1. Genus: Cyanastrum Oliv.
      1. Cyanastrum johnstonii Baker

        This species is accepted, and its native range is S. DR Congo to Mozambique.

    [FZ]

    Tecophilaeaceae, E. J. Cowley & R. K. Brummit. Flora Zambesiaca 12:3. 2001

    Habit
    Erect perennial 10–35 cm tall.
    Corms
    Corms up to 2.5 cm in diameter usually discoid and about twice as broad as deep, at or just below ground level.
    Leaves
    Leaf lamina (including lobes) 9–24 × 6–17 cm, broadly elliptic to occasionally suborbicular or heart-shaped, cordate at the base with basal lobes up to a quarter as long as the midrib, or rarely (Tanzania) cuneate and without lobes; petiole 6–22 cm long; cataphylls surrounding the petiole 1–several, increasing in length from c. 1 cm in the outermost to c. 13 cm long inside.
    Inflorescences
    Racemes 3–17-flowered, 3–13 cm long, ebracteate; pedicels 2–17 mm long, ascending. Inflorescence 10–35 cm long including the scape; scape base sheathed by 1–2 cataphylls up to 6 cm long, scape upper portion with 1–3 linear-oblong scarious bracts up to 5 cm long and sheathing or not.
    Flowers
    Flowers ascending-erect.
    Tepal
    Tepals blue, 12–21 × 2–6 mm.
    Anthers
    Anther thecae 5–7 mm long, oblong.
    Ovary
    Ovary c. 2 mm long, turbinate.
    Style
    Style 8-14 mm long.
    Fruits
    Capsule 1–2-lobed (in specimens seen), with remnants of aborted lobes persisting; fertile carpels ovoid.
    Seeds
    Seeds straw-coloured or brownish, 8–9 × 4–5 mm, ovoid.
    [FTEA]

    Tecophilaeaceae, Susan Carter. Flora of Tropical East Africa. 1966

    Habit
    Tubers up to 2.5 cm. across.
    Cataphylls
    Cataphylls 2–3, the outer about 3 cm. long, the inner 6–9 cm. long.
    Leaves
    Leaf-blade ovate, up to 15 cm. measured along the midrib, 12 cm. wide, cuneate, rounded or cordate, with lobes 3.5 cm. long; petiole up to 15 cm. long.
    Stem
    Flowering stem up to 30 cm. high, appearing before the leaves.
    Bracts
    Stem-bracts 1–2, the lower sheathing, up to 5 cm. long, the upper usually free, linear, up to 4 cm. long.
    Inflorescences
    Nodes of inflorescence 5–20; secondary peduncles 1-flowered, the lower ones rarely 2-flowered, with pedicels 4–10 mm. long; floral bracts absent; bracetoles absent, or represented by minute scars, or when present (very rarely) minute and filiform.
    Perianth
    Perianth blue; lobes 12–18 × 3–6 mm.; tube 1.5 mm. long.
    Stamens
    Anthers yellow, linear, 5–7 mm. long; pore terminal; filaments 3–4 mm. long.
    Style
    Style 10–14 mm. long.
    Fruits
    Capsule-lobes oval, up to 10 × 7 mm.; seed whitish, rounded and compressed to 7 × 5 mm., with a brown, reticulated, spongy cap, 7 × 6 mm.

    Images

    Distribution

    Native to:

    Mozambique, Tanzania, Zambia, Zaïre

    Cyanastrum johnstonii Baker appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    25831.000
    Johnston [s.n.], Malawi K000256033 holotype

    First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 336 (1898)

    Accepted by

    • Pope, G.V. (ed.) (2001). Flora Zambesiaca 12(3): 1-106. Royal Botanic Gardens, Kew.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
    • Carter, S. (1966). Tecophilaeaceae Flora of Tropical East Africa: 1-7.

    Literature

    Flora of Tropical East Africa
    • Bak. in Flora of Tropical Africa 7: 336 (1898).

    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