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Vascular Plants of California
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Stachys chamissonis


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: StachysView DescriptionDichotomous Key


Common Name: HEDGE-NETTLE
Habit: Perennial herb [annual], hairy, generally glandular; rhizome slender or 0. Stem: decumbent to erect, 0.1--2.5 m. Leaf: 1.5--18 cm, proximal generally petioled, distal +- sessile; blade oblong to ovate, serrate to crenate. Inflorescence: spike-like, generally terminal, interrupted or continuous, bracted. Flower: calyx bell-shaped, +- radial, veins 5--10, lobes 5, erect or spreading, triangular, tips sharp; corolla white, yellow, pink, red, magenta, or purple, tube narrow, with internal ring of hairs generally above base, perpendicular to oblique to tube axis, generally with short, pouched spur on the lower side of the tube, upper lip erect or generally parallel to tube axis, concave, entire (notched), generally hairy, lower lip perpendicular to tube axis or reflexed, 3(2)-lobed, glabrous to hairy. Fruit: oblong to ovoid, brown to black, smooth or irregularly, minutely roughened.
Etymology: (Greek: ear of corn, from inflorescence) Note: Stachys arvensis L., Stachys floridana Shuttlew. historical waifs.
eFlora Treatment Author: John B. Nelson
Reference: Mulligan & Munro 1989 Naturaliste Canad 116:35--51
Unabridged Reference: Epling 1934 Fedde Rep Sp Nov Regni Veg 80:1--75
Stachys chamissonis Benth.
NATIVE
Stem: erect, 1--2.5 m, simple to branched distally, stiff-hairy, glandular. Leaf: petiole < 8 cm; blade 6--18 cm, deltoid to ovate, soft-hairy, densely glandular abaxially, margins generally straight, crenate, base cordate, tip acute. Inflorescence: 10--40 cm, interrupted; clusters 2--6-flowered. Flower: calyx tube 7--12 mm, soft-hairy, glandular, lobes 3.5--4.5 mm; corolla deep magenta to purple, tube 18--24 mm, ring of hairs > 2 mm from base, perpendicular to +- oblique, upper lip 6--10 mm, reflexed in age, lower lip 8.5--15 mm. Chromosomes: 2n=64.
Ecology: Wet, swampy places, generally coastal; Elevation: < 150 m. Bioregional Distribution: NCo, CCo, SCoR. Flowering Time: May--Oct
Unabridged Synonyms: Stachys flaccida Eastw.
Unabridged Note: Stachys cooleyae A. Heller [Stachys chamissonis var. cooleyae (Heller) G.A. Mulligan & D.B. Munro] not in California.
Jepson eFlora Author: John B. Nelson
Reference: Mulligan & Munro 1989 Naturaliste Canad 116:35--51
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: John B. Nelson 2012, Stachys chamissonis, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=45346, accessed on April 17, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 17, 2024.

Stachys chamissonis
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©2022 Toni Corelli
Stachys chamissonis
click for enlargement
©2022 Toni Corelli
Stachys chamissonis
click for enlargement
©2022 Toni Corelli
Stachys chamissonis
click for enlargement
©2022 Toni Corelli
Stachys chamissonis
click for enlargement
©2022 Toni Corelli

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Geographic subdivisions for Stachys chamissonis:
NCo, CCo, SCoR.
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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).





 

Data provided by the participants of the  Consortium of California Herbaria.
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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 (fruiting time in some monocot genera).