Galinzoga four-beam

	Galinzoga four-beam
	; Tops of flowering plants
Scientific classification
Domain:	Eukaryotes
Kingdom:	Plants
Kingdom :	Green plants
Department:	Flowering
Grade:	Dicotyledonous
Order :	Asteranae
Order:	Astrocots
Family:	Asters
Subfamily :	Asters
Tribe :	Millerieae
Gender:	Galinzoga
View:	Galinzoga four-beam
International scientific name
	Galinsoga quadriradiata Ruiz & Pav. , 1798

Four-beam Galinzoga ( Latin: Galinsóga quadriradiáta ) is a herbaceous plant , a species of the Galinzoga genus of the Compositae family.

A hairy annual plant native to Mexico, spread across all continents. Often found in disturbed habitats.

Botanical Description

Annual herb (8) 20–62 (75) cm tall. The stem is single, branched, covered with a thick white protruding pubescence, as well as scattered glands.

The leaves are oppositely arranged, green, ovoid, with a wedge-shaped or notched base, with a coarse-toothed margin, on the petioles, covered with a protruding simple and short glandular pubescence, 2-5 (6) cm long and 1.5-4.5 cm wide.

Baskets 4-5 mm across, collected in semi-umbrellas, on unequal pubescent pedicels . The hemispherical to bell-shaped wrapper consists of broad-lanceolate pubescent leaves. Marginal false-lingual flowers are usually white, rarely pink, usually in number 5, with a tongue 0.9-2.5 × 0.9-2 mm. Tubular flowers in the amount of 15-35, yellow.

Achenes are 1.5-1.8 mm long, wedge-shaped, granular, dark gray, covered with pressed pubescence. The crest is filmy, in the marginal achenes much shorter in length, in the median ones - equal to them or even longer.

Distribution

The native land of the plant is Mexico, and the natural range also encompasses the north of South America. The plant was brought to temperate regions of North America, Eurasia and Africa, where it is widely distributed.

Taxonomy

The species was first truly described in the monograph of the Peruvian and Chilean flora of I. Ruiz and H. Pavon , published in December 1798.

Synonyms

Adventina ciliata Raf. , 1836
Ageratum perplexans MFJohnson , 1971
Baziasa urticifolia ( Kunth ) Steud. , 1840
Galinsoga aristulata EP Bicknell , 1916
Galinsoga bicolorata H. St. John & D. White , 1920
Galinsoga brachystephana Otto ex Heer & Regel , 1847
Galinsoga caracasana ( DC. ) Sch. Bip. , 1865
Galinsoga ciliata (Raf.) SF Blake , 1922
Galinsoga ciliata f. vargasiana ( Thell. ) Lousley , 1950
Galinsoga eligulata Cuatrec. 1954
Galinsoga hispida (DC.) Hieron. , 1907
Galinsoga hispida Benth. , 1845
Galinsoga hispida var. albiflora Fenzl , 1851, nom. inval.
Galinsoga hispida var. purpurascens fenzl, 1851
Galinsoga humboldtii Hieron., 1901
Galinsoga parviflora f. discoidea Thell., 1916
Galinsoga parviflora f. vargasiana Thell., 1916
Galinsoga parviflora subsp. hispida (DC.) O. Bolòs & Vigo , 1995
Galinsoga parviflora var. caracasana (DC.) A.Gray , 1853
Galinsoga parviflora var. hispida DC., 1836
Galinsoga parviflora var. quadriradiata (Ruiz & Pav.) Pers. , 1807
Galinsoga quadriradiata f. albiflora Fenzl ex Thell., 1916
Galinsoga quadriradiata f. vargasiana Thell., 1916
Galinsoga quadriradiata var. hispida (DC.) Thell., 1916
Galinsoga urticifolia (Kunth) Benth., 1844
Jaegeria urticifolia (Kunth) Spreng. , 1826
Sabazia urticifolia (Kunth) DC., 1836
Sabazia urticifolia var. venezuelensis steyerm. 1953
Stemmatella lehmannii Hieron., 1901
Stemmatella sodiroi Hieron., 1901
Stemmatella urticifolia (Kunth) O. Hoffm . ex Hieron., 1901
Stemmatella urticifolia var. eglandulosa hieron., 1905
Vargasia caracasana DC., 1836
Vasargia caracasana (DC.) Steud., 1841
Wiborgia brachystephana Heynh. , 1846, nom. illeg.
Wiborgia urticifolia Kunth, 1818

Notes

↑ For the conventionality of specifying the class of dicotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Dicotyledonous article .

Literature

I.T. Vasilchenko . Flora of the USSR : in 30 tons / started at hand. and under chap. ed. V. L. Komarova . - M .; L .: Publishing House of the Academy of Sciences of the USSR , 1959. - T. 25 / ed. volumes B.K. Shishkin . - S. 566-567. - 630 s. - 2500 copies.
Gubanov I.A. et al. 1337. Galinsoga ciliata (Rafin.) Blake ( G. quadriradiata auct.) - Galinzoga ciliated // Illustrated identifier of plants in Central Russia. In 3 t . - M .: T-in scientific. ed. KMK, Institute of Technology. ISS., 2004. - T. 3. Angiosperms (dicotyledonous: dioecious). - S. 401. - ISBN 5-87317-163-7 .

[1] For the conventionality of specifying the class of dicotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Dicotyledonous article .