Urticaceae

Parietaria L.

First published in Sp. Pl.: 1052 (1753)
This genus is accepted
The native range of this genus is Temperate & Subtropical.

Descriptions

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

Morphology General Habit
Polygamous annual or perennial herbs, often profusely branched; cystoliths dot-like
Morphology Leaves
Leaves alternate, petiolate, entire; stipules absent
Morphology Reproductive morphology Inflorescences
Inflorescences paired, dense, sessile or very shortly pedunculate clusters in the leaf axils, sometimes with very prominent bracts
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary erect, free from the tepals, rudimentary in the male flowers; stigma sessile, penicillate
Morphology Reproductive morphology Flowers
Female flowers with ± tubular, 3–4-lobed perianth Flowers bisexual or unisexual. Hermaphrodite or male flowers 3–4-merous; tepals almost free
Morphology Reproductive morphology Fruits
Achene enclosed in the persisting perianth.
Distribution
About 24 species, widely distributed in tropical, subtropical and warm temperate regions; one polymorphic species, P. debilis, in the mountains of tropical Africa and Asia.
[FSOM]

Urticaceae, I. Friis University of Copenhagen, Denmark. Flora of Tropical East Africa. 1989

Morphology General Habit
Annual or perennial herbs, polygamous
Morphology Leaves
Leaves alternate, petiolate, entire, cystoliths dot-like; stipules absent
Morphology Reproductive morphology Inflorescences
Inflorescences of paired sessile or shortly pedunculate clusters in leaf-axils; bracts sometimes very prominent
Morphology Reproductive morphology Flowers
Flowers bisexual or unisexual Hermaphrodite flowers: 3- or 4-merous; tepals almost free. Male flowers: 3- or 4-merous; tepals almost free; rudimentary ovary present. Female flowers: with ± tubular, 3- or 4-lobed perianth, stigma sessile, penicillate, decidous, ovary symmetrical
sex Hermaphrodite
Hermaphrodite flowers: 3- or 4-merous; tepals almost free.
sex Male
Male flowers: 3- or 4-merous; tepals almost free; rudimentary ovary present.
sex Female
Female flowers: with ± tubular, 3- or 4-lobed perianth, stigma sessile, penicillate, decidous, ovary symmetrical
Morphology Reproductive morphology Fruits
Achene enclosed in persistent perianth.
[FTEA]

Sources

  • 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

    • '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.

  • 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