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OROBANCHACEAE BROOMRAPE FAMILY

Margriet Wetherwax, except as noted

Annual, perennial herb, shrub; often glandular; root-parasites, roots modified into absorptive structures. Stem: generally round in ×-section. Leaf: generally simple, generally alternate, reduced to ± fleshy scales in non-green plants lacking chlorophyll; stipules generally 0. Inflorescence: spike to panicle, generally bracted, or flowers 1–2 in axils. Flower: bisexual; calyx lobes 0–5; corolla generally strongly bilateral, generally 2-lipped (upper lip generally 2-lobed, lower lip generally 3-lobed), abaxial lobes outside other lobes in bud; stamens epipetalous, 4 in 2 pairs (sometimes 1 pair sterile), additional staminode 0(1), anther sacs unequal; ovary superior, chambers 1–2, placentas 2–4, parietal, style 1, stigma lobes 0 or 2. Fruit: capsule, generally ± ovoid, loculicidal, valves 2–4. Seed: many, small, angled; surface smooth or netted.
99 genera, 2060 species: worldwide, especially northern temperate and Africa. [Bennett & Matthews 2006 Amer J Bot 93:1039–1051] High yield losses in many crops caused by Orobanche species in Africa, Mediterranean, Middle East, and eastern Europe. —Scientific Editors: Robert Patterson, Bruce G. Baldwin.

Key to Orobanchaceae

PEDICULARIS LOUSEWORT

Linda Ann Vorobik

Perennial herb, ± green. Stem: decumbent to erect, generally 1–several from generally short caudex. Leaf: alternate, generally ± basal, generally < inflorescence, toothed or generally > 7-lobed, generally reduced distally on stem; petiole generally < blade. Inflorescence: raceme, spike-like; bracts (at least proximal) generally ± like distal leaves; pedicels 1–6 mm. Flower: calyx lobes (2,4)5, distal-most generally shortest (all generally < tube), lateral fused in pairs; corolla white or yellow to red or purple, upper lip hood- or beak-like, curved or not, lower lip 3-lobed, narrow to fan-shaped, central lobe generally smallest; fertile stamens 4, generally glabrous, anthers generally included, sacs 2 per stamen, equal; stigma head-like, generally exserted. Fruit: generally ± ovate or lanceolate in outline, asymmetric, opening mostly on upper side. Seed: smooth or netted.
± 500 species: cool wet northern temperate, circumboreal, South America. (Latin: lice, from belief that ingestion by stock promoted lice infestation) [Ree 2005 Int J Plant Sci 166:595–613]

Key to Pedicularis

P. densiflora Hook. WARRIOR'S PLUME
NATIVE
Plant soft- to coarse-brown-hairy. Stem: 6–55 cm. Leaf: basal 5–28 cm, lance-oblong, segments 13–41, ± linear to ovate, doubly toothed to lobed. Inflorescence: 4–12 cm; lower bracts > flowers. Flower: calyx 8–15 mm, generally hairy, lobes ± equal; corolla 23–36 mm, straight, club-like, deep red to red-purple (yellow to orange), generally minutely hairy, upper lip 8–17 mm, hooded, lower lip 2–4 mm, lobes ± equal; anthers 2–3 mm, base acute. Fruit: 8–13 mm. Seed: 2.5–4.5 mm, surface netted.
Dry chaparral, oak/pine or yellow-pine forest; < 2100 m. Northwestern California, Cascade Range, Sierra Nevada Foothills, Tehachapi Mountain Area, Central Western California, Southwestern California; southern Oregon. Mar–May [Online Interchange]
Unabridged synonyms: [Pedicularis aurantiaca (E.F. Sprague) Monfils & Prather; Pedicularis densiflora subsp. aurantiaca E.F. Sprague]

Previous taxon: Pedicularis crenulata
Next taxon: Pedicularis dudleyi

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 28 2014
Citation for this treatment: [Author of taxon treatment] 2013. Pedicularis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=36567, accessed on Jul 28 2014

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Bioregions in which Pedicularis densiflora occurs 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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CCH collections by month

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