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Valeriana arizonica

(Arizona Tobaccoroot)

Overview

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Interesting Facts

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Common Names

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Common Names in English:

Arizona Tobaccoroot, Arizona Valerian

Description

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Genus Valeriana

Perennial herbs with aromatic underground parts. Leaves entire or divided . Flowers white or pink in corymbose cymes, panicles or heads ; upper bracts opposite. Calyx unrolled in fruit into a plumose pappus. Corolla 5-lobed, often gibbous at the base . Stamens 3. Stigma 2-3-fid or simple . Ovary 3-locular, with only 1 fertile locule. Achene crowned by the persistent pappose calyx, dorsally 3-ribbed, ventrally 1-ribbed, glabrous to hairy .

A genus of over 200 species. Widely distributed in the temperate regions of Asia, Africa, Europe and N. & S. America. Represented here by 9 or 10 species.

It is often difficult to identify the valerians without the basal leaves (which may shed early), underground and fruiting parts.[1]

Physical Description

Habit: Forb/herb

Flowers: Bloom Period: March, April, May. • Flower Color: pale pink

Size/Age/Growth

Size: under 6" tall.

Biology

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Reproduction

Duration: Perennial

Growth

Culture: Space 12-15" apart.

Soil: Minimum pH: 6.1 • Maximum pH: 7.8

Sunlight: Sun Exposure: Full Sun .

Temperature: Cold Hardiness: 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b. (map)

Taxonomy

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Synonyms

Valeriana acutiloba var. ovata (Rydb.) A. Nels. • Valeriana ovata Rydb.

Notes

Publishing author : A.Gray Publication : Proc. Amer. Acad. Arts xix. (1883) 81.

Name Status: Accepted Name .

Last scrutiny: 15-Mar-2000

Similar Species

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Members of the genus Valeriana

ZipcodeZoo has pages for 34 species, subspecies, varieties, forms, and cultivars in this genus:

V. acutiloba (Cordilleran Valerian) · V. acutiloba var. acutiloba (Sharpleaf Valerian) · V. acutiloba var. pubicarpa (Hairyfruit Valeriana) · V. arizonica (Arizona Tobaccoroot) · V. californica (California Valerian) · V. capitata (Captiate Valerian) · V. capitata acutiloba (Cordilleran Valerian) · V. columbiana (Wenatchee Valerian) · V. dioica (Marsh Valerian) · V. dioica simplicifolia (Marsh Valerian) · V. dioica var. sylvatica (Woods Valeriana) · V. edulis (Edible Valerian) · V. edulis ciliata var. ciliata (Taproot Valerian) · V. edulis var. ciliata (Tobacco Root) · V. edulis var. edulis (Tobacco Root) · V. jatamansi (Indian Valerian) · V. occidentalis (Small-Flower Valerian) · V. officinalis (All Heal) · V. officinalis excelsa (Garden Heliotrope) · V. officinalis 'Arterner Zuchtung' (All Heal) · V. officinalis 'Sweet Kathi' (Sweet Kathi Garden Heliotrope) · V. pauciflora (Largeflower Valerian) · V. sambucifolia (Valerian) · V. scandens (Florida Valerian) · V. scandens var. candolleana (Florida Valerian) · V. scandens var. scandens (Florida Valerian) · V. scouleri (Scouler's Valerian) · V. sisymbriifolia (Valerian) · V. sitchensis (Sitka Valerian) · V. sitchensis sitchensis (Pacific Valerian) · V. sitchensis uliginosa (Marsh Valerian) · V. sorbifolia (Pineland Valerian) · V. texana (Guadalupe Valerian) · V. uliginosa (Marsh Valerian)

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 November 25, 2007:

Identifiers

Footnotes

  1. "Valeriana". in Flora of Pakistan Page 2.. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012