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Agrostemma githago

(Cockle, Common Corncockle, Corn Cockle, Corncockle, Purple Cockle)

Overview:

Conservation Status

Population Trend:

Growing

Up

Taxonomy

Unambiguous Synonyms:

  1. Lychnis githago (Linnaeus) Scopoli

Notes:

Publishing author: Retz. Publication: Fl. Scand. 86

Name Status: Accepted Name. Latest taxonomic scrutiny: 15-Mar-2000

Place of publication: Sp. pl. 1:435. 1753

Name verified on 21-Nov-1986 by ARS Systematic Botanists. Last updated: 29-May-2007

Physical Description

Genus Agrostemma:

Herbs, annual. Taproots stout. Stems simple or branched, terete. Leaves connate proximally into sheath, sessile; blade 1-veined or obscurely 3-veined, linear to narrowly lanceolate, apex acute. Inflorescences terminal, lax cymes or of solitary, mostly axillary flowers; bracts, when present, paired, foliaceous; involucel bracteoles absent. Pedicels erect. Flowers bisexual or rarely unisexual and pistillate; sepals connate proximally into tube, 25-62 mm; tube green, 10-veined, cylindric to ovoid, terete, commissures between sepals 1-veined, herbaceous; lobes green, 1-veined, linear-lanceolate, [shorter or] longer than tube, often equaling or longer than petals, margins green, herbaceous, apex acute; petals 5, purplish red or white, clawed, auricles absent, coronal appendages absent, blade apex obtuse, entire or briefly emarginate; nectaries near bases of filaments opposite sepals; stamens 10, 5 adnate to petals, 5 at base of gynoecium; filaments distinct; staminodes absent; styles (4-) 5, clavate, 10-12 mm, with dense, stiffly ascending hairs proximally; stigmas (4-) 5, subterminal, papillate (30×). Capsules ovoid, opening by (4-) 5 ascending teeth; carpophore absent. Seeds ca. 30-60, black, reniform, laterally compressed, tuberculate, marginal wing absent, appendage absent; embryo peripheral, curved. x = 12.

Species 2: introduced; Eurasia; introduced worldwide.[1]

Species Agrostemma githago:

 

Images:

Distribution

Range and Population

North America

Native: .

Habitat

 

Similar Species

Members of the genus Agrostemma:

There are approximately 68 species, subspecies, varieties, forms, and cultivars in this genus: A. githago thessalum · A. alpina · A. apetala · A. banksia · A. brachyloba (Narrow Corncockle) · A. brachylobum · A. brachypetala · A. bungeana · A. coeli · A. coeli rosa · A. coeli-rosa · A. coeli-rosea · A. coronarium · A. corsica · A. declinis · A. decumbens · A. dioica · A. diversifolium · A. fimbriata · A. flos-cuculi · A. flos-jovis · A. fulgens · A. gihago · A. githafo · A. githago (Cockle) · A. githago 'Contessa Pale Pink' (Corn Cockle) · A. githago 'Milas Purple Queen' · A. githago 'Milas' (Corn Cockle) · A. githago 'Milos' · A. githago 'Ocean Pearl' (Corn Cockle) · A. githago 'Purple Queen' (Corn Cockle) · A. githago subsp. thessalum · A. githago var. brachycarpa · A. githago var. githago · A. githago var. linicolum · A. githago var. macrospermum · A. githago var. nanum · A. gitthago · A. gracile · A. grandiflora · A. guithago · A. hirsuta · A. infesta · A. inflata · A. involucrata · A. involucratum · A. laeta · A. linicola · A. lusitanica · A. macrospermum · A. moultonii · A. nicaeensis · A. nivalis · A. parviflora · A. perennans · A. pulchra · A. pusilla · A. pyrenaica · A. saxatilis · A. sibirica · A. suecica · A. sylvestris · A. thessalum · A. triflora · A. variegata · A. × baldense · A. × hybrida · A. × walkeri

Members of the genus Amaranthus:

There are approximately 594 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them: A. lividus polygonoides · A. caturus · A. texensis · A. tremolsii · A. tucsonensis · A. wilczekii · A. 'Green Cathedral' · A. 'Magic Fountains Mix' (Amaranthus) · A. 'New Mexico' · A. 'Opopeo' (Love-Lies-Bleeding) · A. 'Trompe d'Elephant' · A. abyssinicus · A. acanthobracteatus · A. acanthochiton (Green-Stripe Amaranth) · A. acroglochin · A. acutilobus (Sharplobe Amaranth) · A. adscendens · A. adulterinus · A. aeneus · A. aeruoides · A. affinis · A. albiflorus · A. albo-marginatus · A. albus (Pigweed) · A. albus var. parviflorus · A. albus var. puberulus · A. albus [infrasp.unranked] monosepalus · A. albus [infrasp.unranked] rubicundus · A. alius · A. alopecurus · A. A. caudatus · A. amboinicus · A. anacardana · A. anardana · A. anderssoni · A. anderssoni f. erectus · A. anderssoni f. typicus · A. anderssonii · A. angustifolius · A. angustifolius var. sylvestris · A. aragonensis · A. arardhanus · A. arctioideus · A. arenicola (Sand Amaranth) · A. artineanus · A. ascendens polygonoides · A. ascendens subsp. polygonoides · A. ascendens var. oleraceus · A. ascendens var. polygonoides · A. asplundii · A. asplundii var. australis · A. ataco · A. atropurpureus · A. atrosanguineus · A. aureus · A. australis (Giant Amaranth) · A. bahiensis · A. batalleri · A. bellardi · A. berchtholdi · A. berchtoldii · A. bernhardi · A. bicolor · A. bigelovii (Bigelow's Amaranth) · A. bigelovii var. emarginatus · A. blitoides (Mat Amaranth) · A. blitoides f. scleropoides · A. blitoides var. crassius · A. blitoides var. densifolius · A. blitoides var. halophilus · A. blitoides var. reverchoni · A. blitoides var. scleropoides · A. blitonius · A. blitum (Bride Malabar) · A. blitum blitum (Purple Amaranth) · A. blitum emarginatus · A. blitum oleraceus · A. blitum subsp. emarginatus · A. blitum subsp. oleraceus · A. blitum subsp. polygonoides · A. blitum var. ascendens · A. blitum var. emarginatus · A. blitum var. graecizans · A. blitum var. nanus · A. blitum var. pseudogracilis (Amaranthus Blitum) · A. blitus · A. bouchoni · A. bouchoni x · A. brandegei · A. brasiliensis · A. brigen · A. brisbanii · A. brownii (Brown's Amaranth) · A. buchtienianus · A. bullatus · A. californicus (California Amaranth) · A. campestris · A. canariensis · A. cannabinus (Salt-Marsh Water-Hemp) · A. capensis

Bibliography

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More Info

Notes

Contributors:

  • "Agrostemma githago". in Flora of North America Vol. 5. Published by Oxford University Press. Online at EFloras.org.
  • Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly, J. van Hertum, eds (2007). Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. Species 2000: Reading, U.K.
  • Brands, S.J. (comp.) 1989-2007. Systema Naturae 2000. The Taxonomicon. Universal Taxonomic Services, Amsterdam, The Netherlands. Accessed March 26, 2007.
  • Global Biodiversity Information Facility. Accessed November 12, 2007. http://www.gbif.org Mediated distribution data from 8 providers.
  • USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. URL (April 25, 2008)

Data Sources:

Accessed through GBIF Data Portal November 12, 2007:

Identifiers:

Footnotes:

  1. John W. Thieret "Agrostemma". in Flora of North America Vol. 5. Oxford University Press. Online at EFloras.org.

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Last Revised: May 11, 2008