Commelinaceae

Murdannia Royle

First published in Ill. Bot. Himal. Mts.: 403 (1840), nom. cons.
This genus is accepted
The native range of this genus is Tropical & Subtropical Old World, Guyana to Paraguay.

Descriptions

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Perennials and annuals
Morphology Leaves
Leaves spirally arranged or distichous, blade sessile
Morphology Reproductive morphology Inflorescences
Inflorescences thyrses of 2–many cincinni, or reduced to clusters of 1-flowered cincinni, terminal and axillary; bracteoles persistent or soon falling
Morphology Reproductive morphology Flowers
Flowers pedicellate, regular to slightly zygomorphic, bisexual and male; sepals free, subequal, sepaline; petals free, equal, not clawed; stamens 3, antesepalous, sometimes one staminodial, filaments bearded or glabrous; staminodes 3, antepetalous, rarely all lacking, filaments bearded or glabrous, antherodes 3-lobed or hastate; ovary 3-celled
Morphology Reproductive morphology Fruits
Capsules 3-celled, 3-valved, cells 1–many-seeded
Morphology Reproductive morphology Seeds
Seeds uni- or biseriate, hilum punctiform to linear, embryotega lateral to dorsal.
Distribution
Pantropical and warm temperate genus of c. 60 species, with greatest diversity in tropical Asia.
[FSOM]

M. Thulin et al. Flora of Somalia Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Geophytes with tubers at the ends of thin, wiry roots
Morphology Leaves
Leaves all or mainly in a basal rosette, spirally arranged, blade sessile
Morphology Reproductive morphology Inflorescences
Inflorescences sometimes subsessile at first flowering, eventually long-pedunculate, scapose or subscapose from the rosette or axillary from a leaf on the peduncle, composed of 1 or 2 sessile, contracted, bracteolate cincinni at the summit of the peduncle, when 2, opposite, but not fused
Morphology Reproductive morphology Flowers
Flowers pedicellate, regular, bisexual
Morphology Reproductive morphology Flowers Calyx
Sepals free, equal, sepaline
Morphology Reproductive morphology Flowers Corolla
Petals free, equal, not clawed
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3, antesepalous, filaments glabrous, anthers basifixed, dehiscence introrse
Morphology Reproductive morphology Flowers Androecium Staminodes
Staminodes 3, antepetalous, filaments glabrous, antherodes small unlobed
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 3-celled
Morphology Reproductive morphology Fruits
Capsules 3-celled, 3-valved, cells c. 8–12-seeded
Morphology Reproductive morphology Seeds
Seeds uniseriate, hilum linear, embryotega semilateral.
Distribution
A single species restricted to eastern Africa.
[FSOM]

Sources

  • Flora of Somalia

    • Flora of Somalia
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

  • Interactive Key to Seed Plants of Malesia and Indo-China

    • The Malesian Key Group (2010) Interactive Key to Seed Plants of Malesia and Indo-China (Version 2.0, 28 Jul 2010) The Nationaal Herbarium Nederland Leiden and The Royal Botanic Gardens Kew

  • 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