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Osmorhiza depauperata Phil.  

No occurrences found

Family: Apiaceae
bluntseed sweetroot
[Osmorhiza chilensis var. cupressimontana (B.Boivin) B.Boivin, moreOsmorhiza obtusa (Coult. & Rose) Fern., Washingtonia obtusa Coult. & Rose]
Osmorhiza depauperata image
Liz Makings
  • Gleason & Cronquist
  • Field Guide
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Vascular plants of NE US and adjacent Canada
Much like no. 4 [Osmorhiza berterii DC.]; pedicels and rays more widely spreading and stiffly divaricate; fr mostly 10-15 mm, convexly narrowed to the rounded or obtuse to merely acutish summit, the tip not beak-like; stylopodium low-conic to depressed, as wide as or oftener wider than high; 2n=22. Moist woods; Nf. and e. Que. to n. Vt.; Lake Superior reg. of n. Mich., ne. Minn., and s. Ont.; widespread in the w. cordillera; Chile and Argentina. (O. obtusa)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
General: Perennial, 15-100 cm tall; stems solitary or 2-3, occasionally with a pubescent ring at the nodes; taproot well developed. Leaves: Basal and cauline (1-3), alternate, compound, 2-11 cm long, 1.5-5 cm wide, twice ternate (or upper cauline leaflets once-ternate); leaflets usually 9, ovate to elliptic, 1-3 cm long, margins toothed, lobed to cleft; basal blades with petioles 3-17 cm long, cauline blades nearly sessile. Flowers: Inflorescence a terminal compound umbel arising from a peduncle 4-30 cm long, pubescent, with 2-20 sometimes unequal rays, each 0.2-7 cm long; pedicels 2-12 mm long, subtended by linear bractlets 2-6 mm long; petals yellow, tinged with purple; anthers yellow; styles 1.5-2 mm long; flowers March-June. Fruits: Schizocarp, narrowly club-shaped, 10-18 mm long, beak convex-obtuse. Ecology: Forests, streamsides, often in spruce-fir and aspen forests; 1800-3200 m (5900-10500 ft); Apache, Coconino, Gila, Graham, Greenlee, and Pima counties; north-central, northwestern to southwestern U.S. Notes: Osmorhiza berteroi (sweetcicely) [=O. chilensis] shares numerous characteristics with O. depauperata, but these two species are distinguished primarily by morphological characters of the fruit. Osmorhiza berteroi has linear- oblong, cylindric fruits that are narrowed toward the apex. It occurs in Coconino, Gila, and Yavapai counties at 1800-2200 m (6000-7000 ft). Osmorhiza depauperata may be propagated by direct seeding or by planting plugs, and is intolerant of fire. Editor: Springer et al. 2008
Osmorhiza depauperata
Open Interactive Map
Osmorhiza depauperata image
Patrick Alexander
Osmorhiza depauperata image
Patrick Alexander
Osmorhiza depauperata image
Patrick Alexander
Osmorhiza depauperata image
Tony Frates
Osmorhiza depauperata image
Tony Frates
Osmorhiza depauperata image
Liz Makings
Osmorhiza depauperata image
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