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IRIDACEAE IRIS FAMILY

Peter Goldblatt, except as noted

[(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.
± 65 genera, ± 2050 species: worldwide, especially Africa; many cultivated (e.g., Crocus, Dietes, Freesia, Gladiolus, Iris, Sisyrinchium). [Goldblatt & Manning 2008 The Iris Family: Natural History and Classification. Timber Press] Gladiolus italicus Mill., Gladiolus tristis L. are urban weeds. Sparaxis grandiflora (D. Delaroche) Ker Gawl., Sparaxis tricolor (Schneev.) Ker Gawl. are waifs. —Scientific Editor: Thomas J. Rosatti.

Key to Iridaceae

LIBERTIA
Perennial herb; rhizomes creeping. Stem: branched or not. Inflorescence: flowers in umbel-like cymes. Flower: radial; perianth parts free, spreading, blue or generally white, outer generally < inner, ± green outside or not; stamens united at base; style branches thread-like, entire, alternate stamens. Seed: many.
± 20 species: especially Australasia, some Andean South America. (Marie-Anne Libert, Belgian botanist, 1782–1865)

L. formosa Graham
WAIF
Stem: 60–125 cm. Leaf: basal 15–45 cm, 5–15 mm wide. Inflorescence: pedicels 6–12 mm. Flower: perianth white, outer parts < 10 mm, lanceolate, ± green outside, inner spreading, 12–18 mm, obovate. Fruit: 6 mm wide, spheric.
Uncommon. Disturbed urban, coastal areas; < 50 m. San Francisco Bay Area; native to Chile. Mar [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 29 2014
Citation for this treatment: [Author of taxon treatment] 2013. Libertia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=30869, accessed on Aug 29 2014

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Geographic subdivisions indicated for the distribution of Libertia formosa 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.