Celosia richardsiae C.C.Towns.

First published in Hooker's Icon. Pl. 38(2): 45 (1975)
This species is accepted
The native range of this species is N. Zambia. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

Amaranthaceae, C. C. Townsend. Flora Zambesiaca 9:1. 1988

Morphology General Habit
Herb, duration and habit not known.
Morphology Stem
Stem and branches slender, terete, rather finely striate, moderately furnished with pale multicellular hairs, branches diverging at 45 degrees.
Morphology Leaves
Inferior leaves not seen; superior stem leaves lanceolate-ovate, to c. 3.5 × 1.6 cm., shortly acuminate, acute or rather blunt, rapidly diminishing in size upwards (those of the branches very small), glabrous above, sparsely pilose along the nerves on the lower surface, cuneate to c. 5 mm. long petiole.
Morphology Reproductive morphology Inflorescences
Inflorescence creamy, terminal and (by branch reduction) axillary, unbranched, spiciform-thyrsoid, up to c. 20 × 1.6 cm.; partial inflorescences condensed cymes up to 1.5 cm. in diam.
Morphology Reproductive morphology Inflorescences Bracts
Bracts and bracteoles deltoid-ovate, stramineous when dry, 1.75–2.25 mm., shortly mucronate withe the excurrent, brownish midrib, glabrous or sparsely ciliate with multicellular hairs.
Morphology Reproductive morphology Flowers Tepal
Tepals 3–3.25 mm. long, oblong-elliptic, acute, glabrous, stramineous when dry, mucronate with the excurrent midrib, which is subtended on either side by one pair of long nerves extending well towards the apex and a pair of shorter nerves extending to c. halfway or less.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments with the free apices longer than the basal cup; no intermediate teeth present.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary 6–7-ovulate; stigmas 2–3, slender and flexuose, slightly longer than the c. 1 mm. long style.
Morphology Reproductive morphology Fruits
Capsule and seeds unknown.
[FZ]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 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 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0