Spermacoce

Spermacoce or false buttonweed[1] is a genus of flowering plants in the family Rubiaceae. It comprises about 275 species found throughout the tropics and subtropics.[2] Its highest diversity is found in the Americas, followed by Africa, Australia and Asia.

Spermacoce
Spermacoce ocymoides
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Gentianales
Family:
Rubiaceae
Subfamily:
Rubioideae
Tribe:
Spermacoceae
Genus:
Spermacoce

Type species
Spermacoce tenuior

Description

The species are herbs or small shrubs with small- to medium-sized, four-lobed flowers arranged in capitate inflorescences. Some have a brightly coloured calyx and are eye-catching, particularly the Australian species. The corolla is variable in colour, often white, but also all shades of blue, pink and maroon. The fruit is usually a two-seeded capsule, sometimes a schizocarp or nut.[3]

Selected species

Spermacoce is a highly diverse genus with about 275 species in many tropical and subtropical places around the globe.[2] North American species include:[4][5]

gollark: * it
gollark: Not *really*, only pictures of them.
gollark: What?
gollark: <@593113791252660224> Why do you ask?
gollark: ```We are not responsible for- headaches- rashes- persistent/non-persistent coughs- associated antimemetic effects- scalp psoriasis- seborrhoeic dermatitis- virii/viros/virorum/viriis- backdoors- lack of backdoors- actually writing documentation- this project's horrible code- spinal cord sclerosis- hypertension- cardiac arrest- regular arrest, by police or whatever- hyper-spudular chromoseizmic potatoripples- angry mobs with or without pitchforks- fourteenth plane politics- Nvidia's Linux drivers- death- obsession with list-reading- catsplosions- unicorn instability- BOAT™️- the Problem of Evil- computronic discombobulation- loss of data- SCP-076 and SCP-3125- gain of data- scheduler issues- frogs```

References
  1. "Spermacoce". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 25 November 2015.
  2. Kew World Checklist of Selected Plant Families
  3. Davidse, G., M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera. 2012. Rubiaceae a Verbenaceae. 4(2): i–xvi, 1–533. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Flora Mesoamericana. Missouri Botanical Garden Press, St. Louis.
  4. Alftervista Flora of North America
  5. Biota of North America Program
  • Spermacoce articularis in Hyderabad, India
  • Spermacoce terminalis
  • Spermacoce ocymoides at Ananthagiri Hills, in Rangareddy district of Andhra Pradesh, India.
  • Spermacoce pusilla in Hyderabad, India.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.