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Allium hickmanii
HICKMAN'S ONION

Higher Taxonomy
Family: AlliaceaeView DescriptionDichotomous Key

Common Name: ONION or GARLIC FAMILY
Habit: Perennial herb; bulb 1 or on rhizomes, reforming each year; bulblets at bulb bases or on rhizomes; outer bulb coat brown, red-brown, yellow-brown, or gray; inner coats generally white (pink, red, or yellow); onion odor, taste present (except Nothoscordum). Stem: scapose, cylindric, sometimes flat or triangular. Leaf: basal, sheathing stem, linear [or not], cylindric, channeled or flat, generally +- withering from tip by flowering. Inflorescence: umbel (1-flowered in Ipheion), bracts generally 2, splitting and appearing 2+ or not, +- fused, enclosing flower buds, scarious. Flower: perianth parts 6 in 2 petal-like whorls, +- free to fused in lower 1/3--1/2; stamens 6, fused to perianth, filaments widened at base, anthers attached at middle; ovary superior, 3-lobed, chambers 3, ovules 2+ per chamber, style 1, stigma entire or +- 3-lobed. Fruit: capsule, loculicidal. Seed: black, sculpture net-like, smooth, or granular.
Genera In Family: 13 genera, 750--800 species: worldwide. Note: Many cultivated for food, ornamental.
eFlora Treatment Author: Dale W. McNeal
Scientific Editor: Thomas J. Rosatti.
Genus: AlliumView DescriptionDichotomous Key

Common Name: ONION, GARLIC
Habit: Outer bulb coat generally brown to gray, inner generally white. Stem: scapose, cylindric, triangular in ×-section, or flat. Leaf: basal, 1--5[12] per stem, linear, cylindric, channeled, or flat, generally withering from tip before flower. Inflorescence: umbel, flowers 3--many, rarely all or in part replaced by bulblets; bracts generally 2--4, obvious, +- fused, scarious. Flower: perianth parts +- free, generally with darker or contrasting midvein, outer generally wider; filaments fused into a ring; ovary with 0, 3, or 6 crests, ovules generally 2 per chamber. Seed: obovoid, generally unappendaged.
Species In Genus: 700 species: generally northern temperate, especially California. Etymology: (Latin: garlic) Note: Replanting bulbs after study essential for survival of pl; shape, arrangement of cells of outer bulb coat (outer bulb coat sculpture) generally important in identification, generally determined only with magnification; color of outer bulb coat may be masked by substrate; stem lengths from top of bulb to base of inflorescence, not from substrate surface.

Allium hickmanii Eastw.
NATIVE
Habit: Bulb 8--12 mm, ovoid to +- spheric; outer coat cells transversely elongate, in obscure, wavy herringbone pattern. Stem: 5--17 cm. Leaf: 2, 1.5 × stem, +- cylindric. Inflorescence: flowers 4--15; pedicels 4--12 mm. Flower: 5--7 mm, persistent; perianth parts spreading, erect in fruit, lanceolate to narrowly ovate, entire, white to pale pink; ovary crests 0 or 3, minute, central. Chromosomes: n=7.
Ecology: Grassy, wooded slopes; Elevation: +- 50 m. Bioregional Distribution: c CCo (Monterey Peninsula; Arroyo de la Cruz, San Luis Obispo Co.). Flowering Time: Mar--May
eFlora Treatment Author: Dale W. McNeal
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Dale W. McNeal 2016. Allium hickmanii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=12585, accessed on February 07, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 07, 2016.


Allium hickmanii
click for enlargement
© 2004 Robert E. Preston, Ph.D.
Allium hickmanii
click for enlargement
© 1999 John Game
Allium hickmanii
click for enlargement
© 2004 Robert E. Preston, Ph.D.
Allium hickmanii
click for enlargement
© 1999 John Game

More photos of Allium hickmanii in CalPhotos


Geographic subdivisions for Allium hickmanii:
c CCo (Monterey Peninsula; Arroyo de la Cruz, San Luis Obispo Co.).
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.