dcsimg

Comprehensive Description ( İngilizce )

North American Flora tarafından sağlandı
Agrimonia bicknellii (Kearney) Rydb.; Bickn. Bull. Torrey
Club 38: 450. 1911.
Agrimonia mollis var. Bickn. Bull. Torrey Club 23: 517. 1896. Agrimonia mollis Bicknellii Kearney, Bull. Torrey Club 24: 565. 1897.
Perennial, with a short rootstock and tuberous-thickened roots; stem strict, leafy, with ascending branches above, finely and densely villous-pubescent, almost canescent, and with scattered long ascending hairs; stipules semicordate, cut-toothed with ovate teeth, the largest 1 cm. wide; petioles and rachis of the leaves canescent and with longer ascending hairs; principal leaflets 7-13, dark-green and rather densely hispidulous or in* age glabrate above, grayishvelvety beneath, rarely if at all glandular-granuliferous, acute at both ends or obtusish at the apex, 1-8 cm. long, coarsely toothed with broadly ovate teeth, the terminal leaflet rhombicoblanceolate, sessile or short-stalked and then often lobed at the base, the lateral ones lanceolate or narrowly elliptic, sessile; interposed leaflets small, a single pair in each interval, entire or 3-toothed; peduncles finely canescent, 1-3 dm. long; raceme lax; bracts and bractlets very small, entire or narrowly 3-cleft; pedicels very short and erect; sepals about 1 mm. long, ovate, acute, strongly 3-nerved; petals rather pale-yellow, elliptic, about 2 mm. long; fruiting hypanthium turbinate, acute at the base, strongly ribbed, 3 mm. long, with a more or less developed rim, slightly strigose below; bristles in 3-4 series, the inner 2-3 mm. long, ascending, the outer shorter and spreading.
Type locality: Neighborhood of Wolf Creek, eastern Tennessee.
Distribution: Southern Massachusetts to Pennsylvania, Georgia, and Tennessee.
bibliyografik atıf
Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY

Comprehensive Description ( İngilizce )

North American Flora tarafından sağlandı
Agrimonia pubescens Walir. Beitr. Bot. 1: 45. 1842
Agrimonia Eupatoria mollis T. & G. Fl. N. Am. 1 : 431. 1840. Agrimonia parvijlora Kinn; Wallr. Beitr. Bot. 1: 45, as synonym. 1842. Agrimonia mollis Britton, Bull. Torrey Club 19: 221. 1892.
Perennial, with a short rootstock and tuberous-thickened roots ; stem 31 5 dm. high, usually with ascending branches, finely and densely pubescent with often crisp hairs and also sparingly hirsute with longer ascending hairs; stipules variable, the lower often lanceolate and entire, the upper semi-cordate, sometimes 1 cm. broad, coarsely toothed with ovate or triangular teeth; petiole and rachis of the leaves densely pubescent; principal leaflets 5-7 (rarely 9), dark-green and sparingly hirtellous or glabrate above, densely and velvety pubescent, rarely if at all glandular-granuliferous beneath, coarsely toothed with triangular-ovate teeth, 2-10 cm. long, the terminal one usually short-stalked, obovate, from rounded to acute at the apex, acute at the base, the lateral ones obovate to elliptic or oval, the lowest pair smallest; interposed leaflets usually small, often entire, a single pair in each interval and often in the distal intervals only; peduncles finely and densely pubescent, 1-4 dm. long; racemes lax; bracts narrowly 3-cleft, as well as the bractlets small; pedicels 1-5 mm. long, erect and appressed; sepals 1.5 mm. long, ovate, acute or obtusish, scarcely glandular-granuliferous; petals deep-yellow, obovate, 1.5 mm. long; fruiting hypanthium turbinate or campanulate, 2.5-3 mm. long, 2-2.5 mm. wide, deeply grooved, glabrous or with scattered hairs, acute at the base; rim small or obsolete; bristles in three series, 1-2 mm. long, erect or ascending.
Type locality: North America.
Distribution: Dry open woods, from New York and Ontario to Georgia, Arkansas, Kansas, and Minnesota.
bibliyografik atıf
Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY

Agrimonia pubescens ( İngilizce )

wikipedia EN tarafından sağlandı

Agrimonia pubescens blooming near Pittsburgh

Agrimonia pubescens, the soft agrimony or downy agrimony, is a flowering plant in the genus Agrimonia, a member of the rose family. It grows in dry areas and woodlands.[2][3]

Taxonomy

The species was first described by John Torrey and Asa Gray as Agrimonia eupatoria var. mollis. It was raised to a species by Nathaniel Lord Britton after the description by Karl Friedrich Wilhelm Wallroth.[4]

Description

Agrimonia pubescens is an erect perennial, growing upwards of 40 in (1,000 mm) tall. It has erect and canescent or pubescent stems. The five to thirteen leaflets are oblong and dentate, and pinnately divided once. The leaves are lanceolate, with the terminal leaflet being the largest, measuring 1.25–4 in (32–102 mm) long and 0.5–2 in (13–51 mm) wide. The leaflets increase in size as they approach the top of the compound leaf. At the base of each petiole is oval-shaped stipule with a serrated margin, measuring approximately 0.75 in (19 mm) long and 0.38 in (9.7 mm) wide.[5] The yellow flowers are borne on spike-like racemes. Each flower is 0.25–0.33 in (6.4–8.4 mm) wide with five yellow petals and five to ten stamens. The five sparsely pubescent sepals alternate with the petals. The small flowers and conical fruit have short pedicels. The seeds have hook-like projections and are clustered in a bell-like shape.[6] The glabrous calyx measures 0.08 in (2.0 mm) while fruiting.[7]

The plant flowers from July through September.[8]

References

  1. ^ "Agrimonia pubescens". ipni.org. International Plant Names Index. Retrieved 2018-09-11.
  2. ^ Reznicek, A. A.; Voss, E. G.; Walters, B. S., eds. (February 2011). "Agrimonia pubescens". Michigan Flora Online. University of Michigan Herbarium. Retrieved 2018-09-11.
  3. ^ "Agrimonia pubescens". Go Botany. New England Wildflower Society. Retrieved 2018-09-11.
  4. ^ New York Botanical Garden (1915). Contributions from the New York Botanical Garden. Vol. 7. The New Era Printing Company. p. 327.
  5. ^ "Agrimonia pubescens (Downy Agrimony)". Minnesota Wildflowers. 2018. Retrieved 12 September 2018.
  6. ^ Merel R. Black, Emmet J. Judziewicz (2009). Wildflowers of Wisconsin and the Great Lakes Region: A Comprehensive Field Guide (illustrated ed.). University of Wisconsin Press. p. 165. ISBN 9780299230548.
  7. ^ Nathaniel Lord Britton (1892). New or Noteworthy North American Phanerograms. Bulletin of the Torrey Botanical Club. Vol. 19. Torrey Botanical Club. p. 221.
  8. ^ Robert H. Mohlenbrock (2013). Vascular Flora of Illinois: A Field Guide (Fourth ed.). SIU Press. p. 310. ISBN 9780809332090.
lisans
cc-by-sa-3.0
telif hakkı
Wikipedia authors and editors
orijinal
kaynağı ziyaret et
ortak site
wikipedia EN

Agrimonia pubescens: Brief Summary ( İngilizce )

wikipedia EN tarafından sağlandı
Agrimonia pubescens blooming near Pittsburgh

Agrimonia pubescens, the soft agrimony or downy agrimony, is a flowering plant in the genus Agrimonia, a member of the rose family. It grows in dry areas and woodlands.

lisans
cc-by-sa-3.0
telif hakkı
Wikipedia authors and editors
orijinal
kaynağı ziyaret et
ortak site
wikipedia EN