Lechea mucronata - Raf.
Hairy Pinweed
Other Common Names: hairy pinweed
Synonym(s): Lechea villosa Ell.
Taxonomic Status: Accepted
Related ITIS Name(s): Lechea mucronata Raf. (TSN 503356)
Unique Identifier: ELEMENT_GLOBAL.2.159476
Element Code: PDCIS040L0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Rock-Rose Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Violales Cistaceae Lechea
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Lechea mucronata
Taxonomic Comments: The name Lechea mucronata is used for this species by Kartesz (1994 checklist), but it is treated under the name Lechea villosa in most of the older floristic literature.
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 27Jul2016
Global Status Last Changed: 07Jun1984
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Reasons: Widespread.
Nation: United States
National Status: N5
Nation: Canada
National Status: N3 (06Sep2017)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Alabama (SNR), Arkansas (SNR), Connecticut (SNR), Delaware (S2), Florida (SNR), Georgia (SNR), Illinois (SNR), Indiana (SNR), Iowa (S1), Kansas (S2), Kentucky (S4), Louisiana (SNR), Maryland (S4), Massachusetts (SNR), Michigan (SNR), Mississippi (SNR), Missouri (SNR), Nebraska (S1), New Hampshire (SNR), New Jersey (S5), New York (S5), North Carolina (S4?), Ohio (S3), Oklahoma (SNR), Pennsylvania (S3S4), Rhode Island (SNR), South Carolina (SNR), Tennessee (SNR), Texas (SNR), Vermont (S1), Virginia (S3S4), West Virginia (S1), Wisconsin (S1)
Canada Ontario (S3)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Massachussetts, Vermont and New Hampshire, New York, southern Ontario, Michigan, southern Wisconsin, Iowa, Nebraska; south in the east to Florida, in the west to Texas.

Number of Occurrences: 81 to >300

Population Size Comments: Infrequent to rare in Vermont, Ontario, Iowa, Indiana, Ohio, Kansas, Delaware, Maryland, Virginia. However, it may be under-reported due to its inconspicuousness.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Massachussetts, Vermont and New Hampshire, New York, southern Ontario, Michigan, southern Wisconsin, Iowa, Nebraska; south in the east to Florida, in the west to Texas.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AL, AR, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA, VT, WI, WV
Canada ON

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
DE Kent (10001), New Castle (10003), Sussex (10005)
IA Henry (19087)*, Jackson (19097), Jefferson (19101)*, Jones (19105)*, Lee (19111)*, Linn (19113)*, Van Buren (19177)*, Winneshiek (19191)*
NE Antelope (31003)*, Garfield (31071), Hall (31079)*, Holt (31089), Kearney (31099)*, Loup (31115)
OH Ashland (39005), Coshocton (39031), Defiance (39039)*, Fulton (39051), Henry (39069), Holmes (39075), Lucas (39095), Muskingum (39119)*, Stark (39151), Summit (39153)
PA Erie (42049)
VT Windham (50025)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 West (01080107)+, Middle Connecticut (01080201)+*
02 Broadkill-Smyrna (02040207)+, Chester-Sassafras (02060002)+, Choptank (02060005)+, Western Lower Delmarva (02080109)+
04 Ottawa-Stony (04100001)+, Auglaize (04100007)+*, Lower Maumee (04100009)+, Cuyahoga (04110002)+, Chautauqua-Conneaut (04120101)+
05 Tuscarawas (05040001)+, Mohican (05040002)+, Walhonding (05040003)+, Wills (05040005)+*
07 Upper Iowa (07060002)+*, Maquoketa (07060006)+, Upper Wapsipinicon (07080102)+*, Skunk (07080107)+*, Lower Des Moines (07100009)+*
10 Lower Niobrara (10150007)+*, Middle Platte-Prairie (10200103)+*, Calamus (10210008)+, Cedar (10210010)+, Upper Elkhorn (10220001)+, Middle Republican (10250016)+*, Upper Little Blue (10270206)+*
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: Perennial herb with small narrow leaves and hairy stems of two kinds, those without flowers leaning or sprawling, the others upright and bearing numerous tiny, dull reddish to brownish flowers on leafy branches.
Technical Description: Stems 2-8 dm, spreading-villous; leaves villous beneath on the margins and midvein, otherwise glabrous or nearly so [or pubescent on both surfaces (Radford et al. 1968)], often some of them whorled, those of the basal shoots ovate-elliptic, to 15 mm, the cauline ones lanceolate to oblanceolate or elliptic, 1-3 cm; flowers densely aggregated on short lateral branches; inner sepals very concave, smooth except for the broadly linear, roughened, sometimes sparsely hairy keel; outer sepals rough, sometimes pilose, about equaling the inner; fruit subglobose, about equaling the calyx.

GENUS characters: Sepals 5, the 2 outer linear or lanceolate, the 3 inner broadly ovate to obovate, concave in conformity to the capsule; petals 3, mostly smaller than the sepals, imbricate in bud, reddish, marcescent; stamens mostly (3-)5-15(-25); style none; stigmas 3, plumose, sessile; ovules 2 on each side of the 3 intruded, expanded, and shieldlike, parietal placentas; fruit 3-valved, maturing 1-6 seeds, largely or wholly enclosed by the persistent calyx; embryo straight or curved; perennial (seldom biennial) herbs with few or solitary, erect stems, small, alternate to sometimes opposite or whorled, 1-nerved, entire, sessile or short-petiolate leaves, and large, finely leafy panicles of very numerous minute flowers in mid- or late summer, and producing basal shoots with numerous crowded leaves late in the season. (Gleason and Cronquist 1991)

Diagnostic Characteristics: Although the genus is distinctive, Lechea species are difficult to tell apart. This one is characterized by spreading hairs on at least the main stems (upper branches may have appressed hairs); other Lechea species in its range have the stem hairs appressed or ascending. Flowering and fruiting characters should also be helpful: this species has the inner sepals prominently keeled, the keel conspicuously pilose; outer sepals slightly shorter than or about equaling the inner; fruit subglobose; seeds usually 3, brown to yellow, lustrous, inequilateral, convex dorsally, concave or flattened ventrally, the embryo clearly visible through the transparent endosperm. (Fernald 1950, Gleason and Cronquist 1991, Radford et al. 1968)
Duration: PERENNIAL
Terrestrial Habitat(s): Forest/Woodland, Grassland/herbaceous, Old field, Woodland - Hardwood
Habitat Comments: Dry sandy or gravelly open woods and clearings, dry sandy prairies, fields, old fields, shaded edges. Also sandy shores (Michigan); sandhills, riverbanks (Florida); "rocky open glades of sandstone, chert, or granite, rocky open woods, sandy and fallow fields, and prairies, in acid soils" (Missouri). (Clewell 1985, Fernald 1950, Gleason and Cronquist 1991, Great Plains Flora Association 1986, Hough 1983, Radford et al. 1968, Steyermark 1963, Voss 1985)
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 14Mar1995
NatureServe Conservation Status Factors Author: M.E. Stover, TNC-HO
Element Ecology & Life History Edition Date: 14Mar1995
Element Ecology & Life History Author(s): M.E. STOVER, TNC-HO

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Argus, G.W., K.M. Pryer, D.J. White and C.J. Keddy (eds.). 1982-1987. Atlas of the Rare Vascular Plants of Ontario.. Botany Division, National Museum of National Sciences, Ottawa.

  • Clewell, A.F. 1985. Guide to vascular plants of the Florida panhandle. Florida State Univ. Press, Tallahassee, Florida. 605 pp.

  • Deam, C. C. 1940. Flora of Indiana. Division of Forestry, Dept. of Conservation, Indianapolis, Indiana. 1236 pp.

  • Fernald, M. L. 1950. Gray's manual of botany. 8th edition. Corrected printing (1970). D. Van Nostrand Company, New York. 1632 pp.

  • Flora of North America Editorial Committee. 2015. Flora of North America North of Mexico. Vol. 6. Magnoliophyta: Cucurbitaceae to Droserceae. Oxford University Press, New York. 496 pp + xxiv.

  • Gleason, H.A., and A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. New York Botanical Garden, Bronx, New York. 910 pp.

  • Great Plains Flora Association (R.L. McGregor, coordinator; T.M. Barkley, ed., R.E. Brooks and E.K. Schofield, associate eds.). 1986. Flora of the Great Plains. University Press of Kansas, Lawrence, Kansas. 1392 pp.

  • Hodgdon, A.R. 1938. A taxonomic study of Lechea. Rhodora 40: 45-69, 87-131.

  • Hough, M.Y. 1983. New Jersey wild plants. Harmony Press, Harmony, NJ. 414 pp.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kartesz, J.T. 1996. Species distribution data at state and province level for vascular plant taxa of the United States, Canada, and Greenland (accepted records), from unpublished data files at the North Carolina Botanical Garden, December, 1996.

  • Kartesz, J.T., and R. Kartesz. 1980. A synonymized checklist of the vascular flora of the United States, Canada and Greenland. Vol. 2. The biota of North America. Univ. of North Carolina Press, Chapel Hill. 500 pp.

  • Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the vascular flora of the Carolinas. Univ. North Carolina Press, Chapel Hill, NC. 1183 pp.

  • Steyermark, J.A. 1963. Flora of Missouri. Iowa State Univ. Press, Ames. 1728 pp.

  • Sutherland, D.A. 1987. The Vascular Plants of Haldimand-Norfolk. Pages 1-52 in The Natural Areas Inventory of the Regional Municipality of Haldimand-Norfolk - Volume II: Annotated Checklists. Norfolk Field Naturalists, Simcoe, Ontario.

  • Voss, E.G. 1985. Michigan flora. Part II. Dicotyledons. Cranbrook Institute of Science and University of Michigan Herbarium. Ann Arbor, Michigan. 1212 pp.

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