Curious-weed (Schkuhria pinnata, Repert. Spec. Nov. Regni Veg. 11: 308 (1912))

Family: Asteraceae

Author: (Lam.) Kuntze ex Thell.

Bibliography: Repert. Spec. Nov. Regni Veg. 11: 308 (1912)

Year: 1912

Status: accepted

Rank: species

Genus: Schkuhria

Vegetable: False

Observations: Trop. & Subtrop. America

Description

Curious-weed, scientifically known as Schkuhria pinnata, belongs to the family Asteraceae. This delightful plant is noted for its intriguing characteristics and widespread occurrence across tropical and subtropical regions of the Americas.

First described in 1912, the curious-weed has captivated botanists and plant enthusiasts alike with its unique morphology and adaptive qualities. The plant was later classified and refined by the botanist Thellung, building upon initial observations by Lamarck and Kuntze, thus bearing its full scientific attribution as (Lam.) Kuntze ex Thell.

Curious-weed thrives in a variety of environments within its native range, demonstrating considerable resilience and adaptability. This plant has successfully colonized numerous habitats, from grassy fields to disturbed sites, making it a common yet fascinating presence in these regions.

A member of the sunflower family, Asteraceae, Schkuhria pinnata shares many features with its relatives, including an inflorescence structure that often captivates onlookers. Its finely dissected leaves and aromatic properties add to its unique profile, making it stand out among other flora.

Whether found in the wild or cultivated for study, the curious-weed continues to pique the interest of those who encounter it, living up to its name by constantly inviting curiosity and admiration.

Common Names

Eng: dwarf marigold
Deu: fieder-zwergsamtblume
Por: azureta, mata-pulgas
Spa: canchalagua, escoba, escobilla, jayac-pichana, matalahúga, matapulgas, pichana, pichana-amarga, pillaguay, yuyo-amargo
Ces: kruženka cizí
Hun: törpebüdöskefaj*
Cym: gold bach
En: Curious-weed, Dwarf-marigold, Pinnate false threadleaf, Wislizenus’ false threadleaf, Wright’s false threadleaf, Curious weed, Dwarf marigold
Es: Jayaj pichana, Piqui-pichana
Sv: Dvärgsammetsblomster

Synonyms

• Rothia pinnata var. pallida (Kuntze)
• Rothia pinnata var. purpurascens (Kuntze)
• Tetracarpum anthemoideum (Rydb.)
• Schkuhria pinnata f. pringlei ((S.Watson) Heiser)
• Tetracarpum pringlei ((S.Watson) Rydb.)
• Tetracarpum flavum (Rydb.)
• Tetracarpum guatemalense (Rydb.)
• Rothia pinnata ((Lam.) Kuntze)
• Schkuhria glabrescens (Gand.)
• Schkuhria bonariensis (Hook. & Arn.)
• Amblyopappus mendocinus (Phil.)
• Schkuhria pinnata var. abrotanoides (Cabrera)
• Schkuhria pinnata var. guatemalensis ((Rydb.) McVaugh)
• Schkuhria pinnata var. octoaristata (Cabrera)
• Schkuhria abrotanoides var. pomasquiensis (Hieron.)
• Schkuhria hopkirkia (A.Gray)
• Schkuhria wrightii (A.Gray)
• Pectis pinnata (Lam.)
• Schkuhria wislizeni var. guatemalensis ((Rydb.) S.F.Blake)
• Tetracarpum wrightii (Rydb.)
• Schkuhria guatemalensis ((Rydb.) Standl. & Steyerm.)
• Schkuhria virgata (DC.)
• Schkuhria wislizeni var. frustrata (S.F.Blake)
• Pectis multifida (Ortega)
• Tetracarpum virgatum (Rydb.)
• Tetracarpum wislizeni (Rydb.)
• Schkuhria wislizeni var. wrightii ((A.Gray) S.F.Blake)
• Schkuhria anthemoidea f. flava ((Rydb.) Heiser)
• Schkuhria wislizeni f. flava ((Rydb.) S.F.Blake)
• Pectis bipinnata (Steud.)
• Hopkirkia anthemoidea (DC.)
• Schkuhria pinnata var. wislizeni ((A.Gray) B.L.Turner)
• Schkuhria abrotanoides (Roth)
• Schkuhria isopappa (Benth.)
• Mieria virgata (La Llave)
• Schkuhria wislizeni (A.Gray)
• Schkuhria anthemoidea var. wrightii ((A.Gray) Heiser)
• Tetracarpum pinnatum ((Lam.) Moench)
• Schkuhria anthemoidea var. wislizeni ((A.Gray) Heiser)
• Schkuhria anthemoidea var. guatemalensis ((Rydb.) Heiser)
• Schkuhria coquimbana (Phil.)
• Schkuhria octoaristata (DC.)
• Schkuhria pinnata var. virgata ((La Llave) Heiser)
• Schkuhria pringlei (S.Watson)
• Schkuhria anthemoidea ((DC.) J.M.Coult.)
• Schkuhria advena (Thell.)

Distribution

• Argentina Northeast (native)
• Argentina Northwest (native)
• Argentina South (native)
• Arizona (native)
• Bolivia (native)
• Brazil Southeast (native)
• Brazil West-Central (native)
• Chile Central (native)
• Colombia (native)
• Costa Rica (native)
• Ecuador (native)
• El Salvador (native)
• Guatemala (native)
• Honduras (native)
• Mexico Central (native)
• Mexico Gulf (native)
• Mexico Northeast (native)
• Mexico Northwest (native)
• Mexico Southeast (native)
• Mexico Southwest (native)
• New Mexico (native)
• Nicaragua (native)
• Paraguay (native)
• Peru (native)
• Texas (native)
• Uruguay (native)
• Venezuela (native)
• Belgium (introduced)
• Botswana (introduced)
• Cape Provinces (introduced)
• Corse (introduced)
• Eritrea (introduced)
• Ethiopia (introduced)
• France (introduced)
• Free State (introduced)
• Germany (introduced)
• Great Britain (introduced)
• KwaZulu-Natal (introduced)
• Lesotho (introduced)
• Maryland (introduced)
• Mozambique (introduced)
• Namibia (introduced)
• New South Wales (introduced)
• New York (introduced)
• Northern Provinces (introduced)
• Queensland (introduced)
• Romania (introduced)
• Spain (introduced)
• Swaziland (introduced)
• Victoria (introduced)
• Zimbabwe (introduced)

Additional Images

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

Habit

Taken Jan 1, 1900 by EOL − Bart Wursten (cc-by-nc)

Taken Feb 1, 2016 by EOL − Wynn Anderson (cc-by-nc-sa)

Taken Feb 1, 2016 by EOL − Wynn Anderson (cc-by-nc-sa)

Taken Aug 22, 2014 by EOL − Richard Spellenberg (cc-by-nc-sa)

Taken Jan 1, 1900 by EOL − Bart Wursten (cc-by-nc)

Flower

Taken Jun 1, 2019 by Jacome Axel (cc-by-sa)

Taken Feb 1, 2016 by EOL − Wynn Anderson (cc-by-nc-sa)

Taken Nov 13, 2013 by EOL − Richard Spellenberg (cc-by-nc-sa)

Taken Jan 1, 1900 by EOL − Bart Wursten (cc-by-nc)

Taken Mar 27, 2020 by Grace T (cc-by-sa)

Leaf

Taken Feb 11, 2022 by Rachael Kirby (cc-by-sa)

Taken Sep 17, 2022 by Miguel-de-SCAMPS_MX (cc-by-sa)

Taken Jan 20, 2021 by D Muzvidzwa (cc-by-sa)

Taken Jan 21, 2021 by D Muzvidzwa (cc-by-sa)

Taken Jun 1, 2019 by Jacome Axel (cc-by-sa)

Sources

• WFO (No URL)
• WFO (No URL)
• GBIF (https://www.gbif.org/species/8346536)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:242907-1)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Schkuhria pinnata (Lam.) Kuntze ex Thell.)
• GBIF (https://www.gbif.org/species/3101235)

Specifications

Growth habit>: Forb/herb

Growth