Walleria mackenziei J.Kirk

First published in Trans. Linn. Soc. London 24: 497 (1864)
This species is accepted
The native range of this species is Tanzania to S. Tropical Africa. It is a tuberous geophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

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

Morphology General Habit
Tubers 2–4 cm. across.
Morphology Stem
Stem smooth or sometimes scabrid, up to 80 cm. high.
Morphology Leaves
Leaves of variable shape from ovate to linear-lanceolate, with the upper leaves more lanceolate, from 7 × 0.5 cm. to 9 × 2 cm. and 6 × 2.5 cm., sessile.
Morphology Reproductive morphology Inflorescences
Pedicels up to 5 cm. long; bracteoles at about the middle of the pedicels, linear to lanceolate, rarely up to 2 cm. long, sometimes subtending a flower with a pedicel up to 2.5 cm. long.
Morphology Reproductive morphology Flowers Perianth
Perianth purplish-blue to grey-blue or mauve; lobes 14–19 × 4–6 mm.
Morphology Reproductive morphology Flowers Androecium Stamens
Anthers deep blue with yellow tips, free, 8–11 mm. long; apical pore terminal; filaments 1–2 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Style
Style pale blue.
Morphology Reproductive morphology Fruits
Capsule up to 2 cm. in diameter; seeds 5 mm. long, 3 mm. across.
Figures
Fig. 2.
Habitat
Deciduous woodland and bushland on red sandy loam soils, sometimes edges of grassy depressions with impeded drainage and on ant-hills; 300–1500 m.
Distribution
T4 T7 T8
[FTEA]

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

Morphology General Habit
Erect slender perennial herb 18-88 cm tall.
Vegetative Multiplication Tubers
Tubers 1–5, at the base of a slender vertical 5–15 cm long underground stem, 1.5-3 × 2.5-4 cm, ± ovoid with a ± tuberculate surface, white and fleshy within.
Morphology Stem
Stem leafy, single, simple or sometimes with 1–2 branches from below the middle, ± strongly longitudinally ridged; ridges glabrous, occasionally scabrid or with minute prickles; branches to 30 cm long.
Morphology Leaves
Leaves evenly spaced on the stem, sessile, pale to bright green, paler beneath, shiny, 3-11.2 × 0.35-2.8 cm, linear-lanceolate to lanceolate or ovate, semi-amplexicaul at the base sometimes auriculate, narrowing gradually or abruptly to an acute apex, occasionally cirrose at the tips, thin-textured, reticulately veined; veins sometimes scabrid or with minute prickles; lowermost leaves few, 1.5-3 cm long.
Morphology Reproductive morphology Inflorescences
Peduncles 1.3-6 cm long, ascending, occasionally branched and then 2-flowered, sometimes scabrid or with minute prickles; bracts 1-26 × 0.5-5 mm, occasionally absent; pedicels up to 2.5 mm long, deflexed at fruiting, or sometimes peduncle pendent.
Morphology Reproductive morphology Flowers Tepal
Tepals white, pale to bright blue, or pale to deep mauve, sometimes streaked, 13-22 × 2.5-6.5 mm, elliptic, apiculate, 5-10-veined, ± free to the base, the inner narrower than the outer.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filament whitish, 1-2.75 mm long, triangular at the base.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 6-12 × 0.75 mm, blue, dark mauve, purple or black, with yellow base and tips, free not connivent or adhering at the apex; pore terminal on the anther, ± circular.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary semi-superior, c. 2 mm long, turbinate.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Style colourless, 8-14 mm long, filiform; stigma subulate.
Morphology Reproductive morphology Fruits
Capsule green, maturing to dark yellow, 10-20 mm in diameter, globose to oblong, 3-lobed, perianth segments not persistent.
Morphology Reproductive morphology Seeds
Seeds 5 × 3 mm (measurements from East African specimens).
[FZ]

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

    • 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 Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0