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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Perennial herb, terrestrial [growing on other plants], non-green (nutrition from association of roots with fungi) or green, generally from rhizomes or tubers with few to many fleshy to slender roots; cauline leaves ± reduced to sheathing stem bracts or not. Leaf: 1–many, basal to cauline, linear to ± round, alternate to opposite (if only 1 pair), generally sessile. Inflorescence: flowers 1–many, spike or raceme, bracted. Flower: bisexual, bilateral, in bud generally rotating 180° by twisting ovary (position of parts indicated after twisting); sepals generally 3, generally free, generally petal-like, uppermost generally erect, lateral with chin- or spur-like projection (mentum) or not; petals 3, 1 (lip) different, spurred or not; stamens generally 1 (3 in Cypripedium, 2 functional, 1 a staminode), fused with style, stigma into column, pollen generally lumped, generally removed as unit by insect; ovary inferior, 1-chambered, placentas 3, parietal, stigma 3 lobed, generally under column tip. Fruit: capsule. Seed: many, minute.
± 800 genera, ± 25000 species: especially tropics (worldwide except Antarctica). Many cultivated for ornamental, especially Cattleya, Cymbidium, Epidendrum, Oncidium, Paphiopedilum; Vanilla planifolia Andrews fruits used to flavor food. [Romero-Gonzalez et al. 2002 FNANM 26:490–651] Platanthera may be paraphyletic without inclusion of Piperia (Bateman et al. 2009 Ann Bot 104:431–445); study needed. —Scientific Editors: Ronald A. Coleman, Thomas J. Rosatti.
Unabridged references: [Luer 1975 Orchids US and Can, NY Bot Garden; Coleman 1995 Wild Orchids of California. Cornell Univ.]
Key to Orchidaceae
Plant ± scapose, brown, tan, ± pink, ± red, ± purple, (± green); rhizome branches many, short, scaly, together coral-like. Leaf: at flower 0. Inflorescence: raceme; flower bract << flower, often scale-like. Flower: sepals ± alike, oblong to (ob)lanceolate, generally curved over column and lip, generally 3-veined, lower generally fused at base, mentum present or not; lateral petals spreading or curved toward lip, lip not spurred, entire to 3-lobed, spreading to reflexed; column generally convex adaxially, concave abaxially, curved over lip. Fruit: pendent.Key to Corallorhiza
11 species: North America, Central America, Eurasia. (Greek: coral root)
Plant 15–45 cm. Stem: generally ± red. Flower: sepals 7–10 mm, generally pink, lower spreading, mentum 0.5–2.5 mm; lateral petals deep pink to red, veins generally yellow or dark red, lip 6–9 mm, with 2 acute lobes laterally, deep pink to red, generally with 3 dark red veins, tip irregularly crenate or toothed; column 5.5–8 mm, ± yellow, basally ± purple. Fruit: 15–25 mm.
2n=40. Shaded to open mixed-evergreen or conifer forest, in decomposing leaf litter; < 2200 m. Northwestern California (except Inner North Coast Ranges); to Alaska, Montana, Wyoming. May–Jul [Online Interchange]
Previous taxon: Corallorhiza maculata var. occidentalis
Next taxon: Corallorhiza striata
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Nov 23 2014
Citation for this treatment: [Author of taxon treatment] 2013. Corallorhiza, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=20261, accessed on Nov 23 2014
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© 2004 Steve Matson
|Geographic subdivisions indicated for the distribution of Corallorhiza mertensiana|| 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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(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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