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Linaria genistifolia

(Broom-Leaf Toadflax)

Common Names

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Common Names in English:

Broom-Leaf Toadflax, Broomleaf Toadflax

Description

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Genus Linaria

Herbs, annual or perennial . Leaves alternate, opposite, or whorled , often sessile; veins 1 or several and campylodromous . Inflorescences spicate , racemose, or rarely capitate. Calyx 5-lobed almost to base . Corolla tube tubular , base spurred; limb 2-lipped; lower lip convex , dilated toward center of upper lip, almost closed at throat , and making corolla personate , 3-lobed, densely glandular hairy ; upper lip erect, 2-lobed. Stamens 4, anterior 2 longer ; anthers anterior and posterior connivent in 2 pairs, locules parallel, divergent after dehiscence. Stigma apex often emarginate . Capsule ovoid or globose , apically dehiscing by irregular pores , valves irregular. Seeds numerous , flattened, often disclike with a broadly winged margin , rarely 3-angled and wingless or reniform and with a thickened margin.

About 100 species: northern temperate zones, mainly in Asia and Europe; ten species in China.[1]

Physical Description

Species Linaria genistifolia

Perennials , 50-100 cm tall. Stems erect , apically branched, glabrous . Leaves alternate; leaf blade ovate-lanceolate, 2.5-3.5 X 0.8-1 cm, glabrous, distinctly 3-veined. Inflorescences paniculate , with few to numerous flowers, glabrous except for corolla. Pedicel 3-5 mm, shorter than bracts. Calyx lobes narrowly lanceolate, 5-6 mm. Corolla pale yellow, 1.1-1.2 cm (excluding spur) ; spur 7-12 mm, slightly curved ; tube wide; lower lip with whitish yellow pubescence in throat , lobes ovate , ca. 4 mm wide; apex of upper lip lobes acuminate. Capsule globose , as long as or slightly longer than calyx, 5-6 mm in diam. Seeds brown-gray, 3-angled, edges narrowly winged , reticulate-rugose. Fl. Jul. [source]

Habit: Forb/herb

Habitat

Sandy areas, forests [2].

Biology

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Reproduction

Duration: Perennial

Taxonomy

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Unambiguous Synonyms

  1. Antirrhinum genistifolium Linnaeus, Sp. Pl. 2: 616. 1753.

Notes

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

Place of publication : Gard. dict. ed. 8: Linaria no. 14. 1768

Name verified on 27-Apr-1992 by ARS Systematic Botanists. Last updated: 26-Jul-2004

Similar Species

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Members of the genus Linaria

ZipcodeZoo has pages for 839 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them:

L. acerbiana · L. acutangula · L. acutifolia · L. acutiloba · L. adzharica · L. aegyptiaca · L. aegyptica · L. aequitriloba · L. aequitriloba fragilis · L. aequitriloba var. parviflora · L. aerugina · L. aeruginea (Roadside Toadflax) · L. aeruginea 'Aureopurpurea' · L. aeruginea cardonica · L. aeruginea nevadensis · L. aeruginea nevadensis 'Gemstones' · L. aeruginea pruinosa · L. aeruginea subsp. cardonica · L. aeruginea subsp. nevadensis · L. aeruginea subsp. pruinosa · L. affinis · L. agglutinans · L. aguillonensis · L. alaica · L. alba · L. albifrons · L. algarbiensis · L. algarviana · L. algeriensis · L. almijarensis · L. alpina (Alpen-Leinkraut) · L. alpina alpina (Alpine Toadflax) · L. alpina benearnensis · L. alpina faucicola · L. alpina guarensis · L. alpina propinqua · L. alpina 'Purpurea' · L. alpina 'Rosea' · L. alpina subsp. benearnensis · L. alpina subsp. guarensis · L. alpina var. aciculifolia · L. alpina var. badalii · L. alpina var. odoratissima · L. altaica · L. ambigua · L. amesthystea · L. amethystea · L. amethystea ignescens · L. amethystea multipunctata · L. amethystea subsp. broussonetii · L. amethystea subsp. multipunctata · L. amethystea var. ignescens · L. amethystina · L. amoi · L. amoris · L. angustealata · L. angustifolia · L. angustissima (Italian Toadflax) · L. annua · L. 'Anstey' · L. anthirrhinoides · L. anticaria · L. anticaria 'Antique Silver' · L. anticaria cuartanensis · L. anticaria rossmassleri · L. antilibanotica · L. aparinoides · L. apennina · L. aphylla · L. arabiniana · L. aragonensis · L. araratica · L. arcusangeli · L. arenaria · L. arenicola · L. arenosa · L. aristides · L. armeniaca · L. arrabidensis · L. arvensis · L. arvensis micrantha · L. arvensis simplex · L. ascalonica · L. asparagoides · L. atlantica · L. atlantica var. mathezii · L. atlantis-rifea · L. atrofusca · L. atrogularis · L. aucheri · L. aurasiaca · L. aurata · L. auriculata · L. babensis · L. baborensis · L. badachschanica · L. badali · L. badalii · L. balansae · L. baligaliensis

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal February 16, 2008:

Identifiers

Footnotes

  1. "Linaria". in Flora of China Vol. 18 Page 49. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. "Linaria genistifolia". in Flora of China Vol. 18 Page 52. Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/1/2009