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Spreading habit in flower, Jessica Strickland

Mounted specimen, Jessica Strickland

Filiform and tuberous roots, Jessica Strickland

Basal leaf, adaxial surface, Jessica Strickland

View of flower, petals 5, numerous stamens, Jessica Strickland

Flower, side view, showing numerous stamens, yellow corolla, silvery pubescent on partially reflexed sepals, Jessica Strickland

View of flower showing sepals and petals, Jessica Strickland

Single petal, adaxial view, Jessica Strickland 

Nectar gland on petal, Jessica Strickland

Head of achenes, side view, Jessica Strickland

View of developing achenes, Jessica Strickland

Beak of developing achenes, Jessica Strickland

Side view of indivisual achenes, Jessica Strickland

Basal leaves

Ovate to broadly ovate; 2.1-4.7 x 1.9-4.5 cm; compound 3-5 foliolate, leaflets undivided or 1x-lobed or parted, ultimate segments oblanceolate or obovate, margins entire or with few teeth, apex rounded-acute to rounded-obtuse; petioles to 1 dm. long.

Cauline leaves

Usually 1 or 2, alternate, much-reduced; pedicels 1.5-6 cm.

Ecology

Grows in sandy soils in shallow water, low pinelands, meadows and seepage slopes.  Often in open fields, roadsides, etc.

Family

RANUNCULACEAE Jussieu (Crowfoot Family or Buttercup Family)

Flowering period

Winter to spring (January-June).

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Flowers

Receptacle, sepals, and petals hispid or glabrous; sepals 5, greenish-yellow, spreading or sometimes reflexed at base, ovate-attenuate, silvery pubescent, 5-7 x 2-3 mm; petals 5 (7), yellow, 8-14 x 3-6 mm; stamens 40-50. 

Fruit

Head of achenes globose or ovoid, 5-9 x 5-8 mm, achenes 2-2.8 x 1.8-2.2 mm, glabrous, smooth with margin forming narrow rib; beak persistant, filiform, straight, 1.2-2.8 mm.

 

Habit and stem features

Herbaceous perennial; weak stems erect, suberect or ascending, not rooted nodally.  Pubescence is strigose or spreading strigose.  Roots both filiform and tuberous on the same plant.   

Place of Species Publication

Ranunculus fascicularis Muhl. ex Bigelow, Florula Bostoniensis, pg. 137.1814

References

Connell, D.S., and M. C. Johnson.  1970.  Manual of the Vascular Plants of Texas , Vol.6. Texas Research Foundation, Renner TX , pg.s 647,648.

 

Lousiana State University Herbarium database. www.herbarium.lsu.edu

  

USDA, NRCS.  2005. The PLANTS Database, Version 3.5 (http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

 

Whittemore, A. T., and B. D. Parfitt.  1997. in Flora of North America, North of New Mexico, Vol.3.  New York , Oxford University Press, pg. 102.  Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 7+ vols. New York and Oxford.  

 

 

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Synonyms

Ranunculus fascicularis Muhl. ex Bigelow var. apricus (Greene) Fernald

Ranunculus fascicularis Muhl. ex Bigelow var. typicus L. Benson