Spergula Dill. ex L.

First published in Sp. Pl.: 440 (1753)
This genus is accepted
The native range of this genus is Temp. Eurasia, Macaronesia to Ethiopia and Tanzania, Bolivia to S. South America.

Descriptions

Caryophyllaceae, H. Wild. Flora Zambesiaca 1:2. 1961

Morphology General Habit
Annual herbs; sterns simple or branching, glabrous or glandular-pubescent.
Morphology Leaves
Leaves opposite but with contracted leafy branches in the axils making them appear whorled, sessile, linear; stipules small, scarious, caducous.
Morphology Reproductive morphology Flowers
Flowers 5-merous, in loose terminal dichasia or the dichasial structure reduced in some branches; pedicels reflexed after anthesis but later becoming erect again.
Morphology Reproductive morphology Flowers Calyx
Sepals free with membranous margins.
Morphology Reproductive morphology Flowers Corolla
Petals white, entire.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 10.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1-locular, multiovulate, with 3 or 5 free styles.
Morphology Reproductive morphology Fruits
Capsule 3–5-valved.
Morphology Reproductive morphology Seeds
Seeds numerous, surrounded by a narrow or somewhat winged margin.
[FZ]

Caryophyllaceae, W. B. Turrill. Flora of Tropical East Africa. 1956

Morphology General Habit
Annual herbs
Morphology Leaves
Leaves linear, opposite but, from the axillary tufts of leaves, giving the superficial appearance of being in whorls; stipules small, scarious, deciduous
Morphology Reproductive morphology Flowers
Flowers in loose terminal dichasia, the dichasial structure reduced in some branches, hermaphrodite, pentamerous, pedicels deflexed after fertilization but later erect
Morphology Reproductive morphology Flowers Calyx
Sepals free
Morphology Reproductive morphology Flowers Corolla
Petals white, entire
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary unilocular with 3 or 5 free styles
Morphology Reproductive morphology Fruits
Capsule deeply split into 3 or 5 valves.
[FTEA]

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

Morphology General Habit
Annual herbs
Morphology Leaves
Leaves linear, mostly in condensed axillary shoots so as to appear as if whorled; stipules interpetiolar, scarious, deciduous
Morphology Reproductive morphology Inflorescences
Flowers 5-merous, in lax terminal cymes, pedicels reflexed after flowering, erect in ripe fruit
Morphology Reproductive morphology Flowers Calyx
Sepals free
Morphology Reproductive morphology Flowers Corolla
Petals entire, white
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers up to 10
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary with many ovules, styles usually 5, occasionally 3
Morphology Reproductive morphology Fruits
Fruit a ± globose capsule opening by (3–)5 valves which do not separate completely
Morphology Reproductive morphology Seeds
Seeds numerous, biconvex, often ± winged.
Distribution
Twelve species, probably originally north temperate but now very widespread as adventives.
[FSOM]

Sources

  • Flora Zambesiaca

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

    • Flora of Somalia
    • 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

  • 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