Biorepository Data Portal
Home
Search
Sample search
Map search
Dynamic Species List
Taxonomic Explorer
Images
Image Browser
Image Search
Datasets
Research Datasets and Special Collections
Carabidae Checklists with Keys
Mosquito Checklists with Keys
Checklist: Research Sites - Invertebrates
Checklist: Research Sites - Plants
Checklist: Research Sites - Vertebrates
Sample Use
Sample Use Policy
Sample Request
Sample Archival Request
Dataset Publishing
How to Cite
Additional Information
Tutorials and Help
Biorepository Staff
About NEON
NEON Data Portal
ASU Biocollections
About Symbiota
Getting Started
Login
New Account
Sitemap
Allium shevockii
McNeal
No occurrences found
Family:
Amaryllidaceae
Spanish Needle onion
Images
not available
FNA
Resources
Dale W. McNeal Jr. & T. D. Jacobsen in Flora of North America (vol. 26)
Bulbs 2-10+, forming threadlike rhizomes, rhizomes 3-10 cm, terminated by bulbels and/or 1-2 basal bulbels that in turn may produce threadlike rhizomes, ± globose, 1-1.5 × 1-1.5 cm; outer coats enclosing single bulb, brown, membranous, lacking cellular reticulation or cells arranged in only 2-3 rows distal to roots, ± quadrate, without fibers; inner coats light yellow, turning reddish on drying, cells obscure, ± quadrate. Leaves persistent, withering from tip by anthesis, 1, basally sheathing, sheath not extending much above soil surface; blade solid, terete, 20-40 cm × 2-4 mm. Scape persistent, solitary, erect, solid, terete, 10-20+ cm × 1-5 mm. Umbel persistent, erect, compact, 12-30-flowered, globose, bulbils unknown; spathe bracts persistent, usually 3, 5-7-veined, lanceolate, ± equal, apex apiculate. Flowers campanulate, 12-14 mm; tepals spreading, unequal; outer tepals maroon, oblanceolate, margins irregularly shallow-toothed, apex acute to mucronate, reflexed-curled; inner tepals maroon distally, white proximally, ovate, withering in fruit, curled back at tip, margins entire, apex acute, reflexed; stamens included; anthers yellow; pollen yellow; ovary crested; processes 6, prominent, narrowly triangular, margins entire, apex emarginate; style linear, equaling stamens; stigma capitate, 3-lobed, lobes slender, recurved; pedicel 10-16 mm. Seed coat shining; cells minutely roughened. 2n = 14. Flowering Jun--Jul. Soil pockets on schist outcrops; of conservation concern; 2200--2400 m; Calif. Allium shevockii is known only from the upper slopes of Spanish Needle Peak in the southern Sierra Nevada and from Horse Canyon, Tehachapi Mountains.
Click to Display
0 Total Images