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Linaria genistifolia

(Broom-Leaf Toadflax)

Overview

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Interesting Facts

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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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Synonyms

Antirrhinum genistifolium Linnaeus

Notes

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Linaria

ZipcodeZoo has pages for 33 species, subspecies, varieties, forms, and cultivars in this genus:

L. aeruginea (Linaria) · L. alpina (Alpen-Leinkraut) · L. alpina alpina (Alpine Toadflax) · L. angustissima (Italian Toadflax) · L. bipartita (Clovenlip Toadflax) · L. bipartita linogrisea (Cloven-Lip Toadflax) · L. dalmatica (Dalmatian Toadflax) · L. dalmatica dalmatica (Dalmatian Toadflax) · L. dalmatica macedonica (Dalmatian Toadflax) · L. dalmatica subsp. macedonica (Dalmation Toadflax) · L. genistifolia (Broom-Leaf Toadflax) · L. incarnata (Crimson Toadflax) · L. maroccana (Baby Snapdragon) · L. maroccana 'Confetti' (Baby Snapdragon) · L. maroccana 'Dwarf Fairy Bouquet Mix' (Baby Snapdragon) · L. maroccana 'Fantasy' (Dwarf Baby Snapdragon) · L. nevadensis 'Gemstones' (Linaria) · L. nevadensis 'Grenada Sol' (Linaria) · L. pelisseriana (Pelissers Toadflax) · L. pinifolia (Pineneedle Toadflax) · L. pseudolaxiflora (Maltese Toadflax) · L. purpurea (Perennial Toadflax) · L. purpurea 'Alba' (Perennial Toadflax) · L. purpurea 'Canon J. Went' (Canon J. Went Perennial Toadflax) · L. repens (Pale Toadflax) · L. reticulata (Purple-Net Toadflax) · L. reticulata 'Flamenco' (Spurred Snapdragon) · L. reticulata 'Flaming Passion' (Spurred Snapdragon) · L. sepium (Toadflax) · L. spartea (Ballast Toadflax) · L. supina (Lesser Butter and Eggs) · L. triornithophora (Three Bird Toadflax) · L. vulgaris (Butter and Eggs)

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: 7/15/2012