Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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Fosiée Tahbaz

Perennial, subshrubs; roots generally in fleshy clusters
Stems 1–several from root crown
Leaves basal and cauline, alternate, large, deeply (generally ternately) dissected to compound, ± fleshy; stipules 0
Inflorescence: flowers solitary or few in a cluster, terminal
Flower: sepals generally 5, free, leathery, persistent; petals generally 5–10; stamens many, maturing outward from flower axis; pistils 2–5, simple, coarse, thick-walled, surrounded at base by lobed nectary-disk
Fruit: follicles, 2–5, thick-walled, subtended by persistent calyx
Seeds large, generally several per follicle, generally black, with an aril.



The only genus
Species in genus: ± 30 species: Eurasia, 2 species in w US; many cultivated
Etymology: (Greek: Paeon, physician to the gods)


P. brownii Hook.

Stem 20–40 cm, generally simple
Leaves 5–8 per stem, glaucous (especially beneath); 1° divisions 3–6 cm, 2–5 cm wide, narrowed and stalk-like at base; ultimate segments ± elliptic, bases tapered, tips generally obtuse or rounded
Flower: petals 8–13 mm, < inner sepals, rounded, maroon to bronze, margins yellowish or greenish; filaments 3–5 mm, anthers 2–4 mm
Fruit: follicles 2–4 cm
Seeds ± 11 mm, cylindric
Chromosomes: n=5
Ecology: Open, dry pine forest and scrub
Elevation: 200–3000 m.
Bioregional distribution: Klamath Ranges, North Coast Ranges, Cascade Range, n&north-central Sierra Nevada, se San Francisco Bay Area (Mount Hamilton)
Distribution outside California: to British Columbia, Wyoming, Nevada
Horticultural information: TRY; DFCLT.

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bioregional map for PAEONIA%20brownii being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Paeonia brownii
Retrieve dichotomous key for Paeonia
Overlay Consortium of California Herbaria specimen data by county on this map
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