Jepson eFlora: Taxon page
Key to families | Table of families and genera
Previous taxon Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Next taxon
Olsynium douglasii var. douglasii
PURPLE-EYED-GRASS, GRASS WIDOWS

Higher Taxonomy
Family: IridaceaeView DescriptionDichotomous Key

Common Name: IRIS FAMILY
Habit: [(Annual), shrub], perennial herb generally from [bulb], corm, or rhizome. Stem: generally erect, generally +- round in ×-section. Leaf: generally basal (few cauline), 2-ranked, +- sword-shaped, blade edge-wise to stem, with midvein or not; bases overlapped, sheathing. Inflorescence: generally +- terminal; spikes, umbel-like cymes, or flowers 1; flowers in spikes or 1 subtended by 2 subopposite flower bracts; umbel-like cymes enclosed by 2 subopposite, generally large, leaf-like inflorescence bracts, including various flower bracts. Flower: bisexual (unisexual), radial, with stamens erect, enclosing style, or bilateral, with stamens, style to 1 side, stamens not enclosing style; perianth radial, parts free or generally fused into tube above ovary, generally petal-like, in 2 series of 3, outer +- like inner (or not, in Iris, parts in that genus called sepals, petals), upper +- like lower or not; stamens 3, attached at base of outer 3 perianth parts or in tube, generally free; ovary inferior [(superior)], [(1)]3-chambered, placentas axile [(parietal)], style 1, branches 3, entire to 2-branched, thread- or petal-like with stigma abaxial, proximal to tip. Fruit: capsule, loculicidal. Seed: few to many.
Genera In Family: +- 65 genera, +- 2050 species: worldwide, especially Africa; many cultivated (e.g., Crocus, Dietes, Freesia, Gladiolus, Iris, Sisyrinchium). Note: Gladiolus italicus Mill., Gladiolus tristis L. are urban weeds. Sparaxis grandiflora (D. Delaroche) Ker Gawl., Sparaxis tricolor (Schneev.) Ker Gawl. are waifs.
eFlora Treatment Author: Peter Goldblatt, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: OlsyniumView Description 

Habit: Rhizome indistinct. Stem: generally tufted, rounded. Leaf: bases overlapped, sheathing. Inflorescence: flowers in umbel-like cymes; bracts 2, unequal. Flower: perianth red-purple to magenta, occasionally pink or white, parts +- alike; filaments fused in basal 1/2. Seed: brown, angled, pitted.
Species In Genus: 12 species: western hemisphere. Etymology: (Greek: little, united, from stamen bases)
eFlora Treatment Author: Anita F. Cholewa

Olsynium douglasii (A. Dietr.) E.P. Bicknell var. douglasii
NATIVE
Stem: strongly tufted, < 31 cm. Flower: perianth generally 18--33 mm; filament tube +- enlarged above base. Chromosomes: n=32.
Ecology: Open, vernally moist, often rocky places; Elevation: < 2200 m. Bioregional Distribution: KR, n NCoRO, CaR, MP; Distribution Outside California: to British Columbia. Flowering Time: Spring
Synonyms: Sisyrinchium douglasii A. Dietr var. douglasii; Sisyrinchium grandiflorum Douglas ex Lindl., illeg.
eFlora Treatment Author: Anita F. Cholewa
Jepson Online Interchange

Previous taxon: Olsynium
Next taxon: Romulea

Name Search

Contact/Feedback

Citation for this treatment: Anita F. Cholewa 2016. Olsynium douglasii var. douglasii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=62513, accessed on August 23, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 23, 2016.


Geographic subdivisions for Olsynium douglasii var. douglasii:
KR, n NCoRO, CaR, MP;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
READ ABOUT YELLOW FLAGS
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).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

CCH collections by month

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