|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Iridaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: [Annual] perennial herb; rhizomes compact. Stem: 1 or tufted, +- flat, winged, nodes well above basal leaves with leaves or not, each with >= 1 flower-branch. Leaf: bases overlapped, sheathing. Inflorescence: flowers in umbel-like cymes; bracts 2, equal in length or not, margins translucent. Flower: perianth red-purple, +- blue, violet, yellow (white), parts mucronate, +- alike, outer generally wider; filaments +- free to +- fused. Seed: ovoid, smooth or pitted.
Species In Genus: 100+ species: western hemisphere. Etymology: (Latin, sus, pig, and Greek, rhynchos, snout, alluding to swine digging the roots of some bulbous plant for food, spoken of by Pliny and Theophrastus (W.J. Hooker, 1830). The reason for applying the name to a genus of New World Iridaceae was apparently arbitrary.) Note: Use of treatments prior to +- 2003 often results in misidentification. Sisyrinchium douglasii moved to Olsynium.
Unabridged Note: Use of treatments prior to +- 2003 often results in misidentification due to inconsistent or incorrect use of morphological terms and the fact the taxa look very much alike.
eFlora Treatment Author: Anita F. Cholewa
Jepson Online Interchange
Key to SisyrinchiumPrevious taxon: Romulea rosea var. australis
Next taxon: Sisyrinchium bellum
Citation for this treatment: Anita F. Cholewa 2016. Sisyrinchium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9441, accessed on August 24, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 24, 2016.