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Vascular Plants of California
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Glechoma hederacea


Higher Taxonomy
Family: Lamiaceae (Labiatae)View DescriptionDichotomous Key
Common Name: MINT FAMILY
Habit: Annual to shrub [tree, vine], glabrous to hairy, generally aromatic. Stem: generally erect, generally 4-angled. Leaf: generally simple to deeply lobed, generally opposite, generally gland-dotted. Inflorescence: generally cymes, generally many in dense axillary clusters surrounding stem, generally separated by evident internodes or collectively crowded, spike- or panicle-like, occasionally head-like or raceme, subtended by leaves or bracts; flowers sessile or pedicelled. Flower: generally bisexual; calyx generally 5-lobed, radial to bilateral; corolla generally bilateral, 1--2-lipped, upper lip entire or 2-lobed, +- flat to hood-like, occasionally 0, lower lip generally 3-lobed; stamens generally 4, epipetalous, generally exserted, paired, pairs generally unequal, occasionally 2, staminodes 2 or 0; ovary superior, generally 4-lobed to base chambers 2, ovules 2 per chamber, style 1, generally arising from center at junction of lobes, stigmas generally 2. Fruit: generally 4 nutlets, generally ovoid to oblong, smooth.
Genera In Family: +- 230 genera, 7200 species: worldwide. Many cultivated for herbs, oils (Lavandula, lavender; Mentha, mint; Rosmarinus, rosemary; Thymus, thyme), some cultivated as ornamental (in California Cedronella, Leonotis, Monarda, Phlomis). Note: Moluccella laevis L., shell flower, historical waif in California. Satureja calamintha (L.) Scheele subsp. ascendens (Jordan) Briq. reported as alien but not naturalized. Salazaria moved to Scutellaria; California Hyptis moved to Condea, California Satureja moved to Clinopodium.
eFlora Treatment Author: Dieter H. Wilken & Margriet Wetherwax, family description, key to genera, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: GlechomaView Description 


Common Name: GROUND IVY
Habit: Perennial herb, glabrous to sparsely hairy, flowers only bisexual or only pistillate. Stem: prostrate to decumbent, occasionally erect, generally rooting at lower nodes. Leaf: petioled; blade round to reniform, crenate to toothed. Inflorescence: flowers 2--5 in leaf axils; bracts minute or 0. Flower: calyx 5-lobed, tube 15-veined, lobes unequal, upper >> lower; corolla 2-lipped, upper lip 2-lobed, +- flat, lower lip 3-lobed, central lobe > lateral lobes; stamens 4, fertile, upper pair >> lower; style lobes +- equal.
Species In Genus: 10 species: temperate Eurasia. Etymology: (Greek: ancient name)
eFlora Treatment Author: John M. Miller & Dieter H. Wilken
Reference: Wagstaff et al. 1998 Pl Syst Evol 209:265--274
Unabridged Reference: Cronquist & Reveal 1984 Intermountain Flora 4:317--318
Glechoma hederacea L.
NATURALIZED
Stem: 1--5 dm; hairs spreading to reflexed. Leaf: petiole generally 1--2 cm; blade 1--2 cm, +- round to reniform. Inflorescence: bracts bristle-like. Flower: calyx 3--7 mm, fine bristly to puberulent; corolla violet, purple-spotted, in bisexual flower generally 15--25 mm, in pistillate flower 8--15 mm. Chromosomes: 2n=18,36.
Ecology: Disturbed, generally moist, shaded places; Elevation: < 800 m. Bioregional Distribution: NW, SNF, CW, SCo; Distribution Outside California: widespread North America; native to Europe. Flowering Time: Mar--Jun
Jepson eFlora Author: John M. Miller & Dieter H. Wilken
Reference: Wagstaff et al. 1998 Pl Syst Evol 209:265--274
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Citation for this treatment: John M. Miller & Dieter H. Wilken 2012, Glechoma hederacea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=27041, accessed on November 14, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on November 14, 2019.

Glechoma hederacea
click for enlargement
© 2016 Keir Morse
Glechoma hederacea
click for enlargement
© 2016 Keir Morse
Glechoma hederacea
click for enlargement
© 2016 Keir Morse

More photos of Glechoma hederacea in CalPhotos



Geographic subdivisions for Glechoma hederacea:
NW, SNF, CW, SCo
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.