Overview

Distribution

Herniaria glabra L.:
Afghanistan (Asia)
Mongolia (Asia)
Russian Federation (Asia)
United States (North America)
Uzbekistan (Asia)
China (Asia)
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National Distribution

Canada

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Comments

Historical collections are known also from Maine (1903) and New York (1943).  

Herniaria glabra, variable in habit, vestiture, flower size, and fruit length (H. W. Pugsley 1930), has been reported to hybridize naturally with H. hirsuta (M. N. Chaudhri 1968). It makes a dense mat of foliage, being occasionally planted as a ground or grave cover.

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Description

Plants annual, biennial, or perennial, light to yellowish green, glabrous or puberulent, some-times with woody caudex. Stems spreading to prostrate, 5-35 cm. Leaves opposite, or distalmost alternate; stipules 0.5-1.5 mm; blade obovate-elliptic to sub-orbiculate, 3-7(-10) mm, glabrous or sometimes short-ciliate. Inflorescences mostly leaf-opposed, 6-10-flowered. Flowers 1-1.5 (-1.8) mm, usually glabrous or sometimes short-ciliate; calyx not burlike; sepals equal or sometimes unequal, 0.5-0.6 mm, glabrous; stamens 5; staminodes petaloid, 0.5 mm; styles connate in proximal 1/ 3. Utricles 1-1.3 mm, usually longer than sepals. 2n = 18, 36, 72 (Europe), 54 (Africa).
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Comments

Chaudhri (Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 285: 315--320. 1968) divided this rather variable species into four varieties based on minor differences in flower size and indumentum.
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Description

Plants annual or perennial, yellowish green. Stems spreading, 5--18(--35) cm, glabrous or thinly pilose. Leaf blade elliptic-obovate, 3--7 × 1--3 mm, glabrous, base cuneate, apex obtuse. Glomerules leaf-opposed, 6--10-flowered. Flowers 5-merous, 1.2--1.5(--1.7) mm. Sepals ovate-oblong, ca. 1.5 × 0.5 mm, glabrous, apex obtuse. Stamens 5, short. Style 0.2--0.3 mm; stigma lobes nearly sessile. Achene ovoid, longer than sepals. Seed flat-orbicular, ca. 0.5 mm in diam. Fl. Jul, fr. Aug--Sep.
  • Flora of China @ eFloras.org
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Ecology

Habitat

Habitat & Distribution

Flowering spring-summer. Roadsides, dry or rocky, sandy places; 0-1200 m; introduced; Ont., Que.; Md., Mich., N.J., Pa., Utah; Europe; Asia (Turkey); introduced elsewhere.
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Habitat & Distribution

Meadows, mires, hillsides, ravines; 900--2400 m. W Sichuan, N Xinjiang [Afghanistan, Mongolia, Russia, Uzbekistan; Europe].
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Herniaria glabra

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Species: 1
Species With Barcodes: 1

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Conservation

Conservation Status

NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNA - Not Applicable

United States

Rounded National Status Rank: NNA - Not Applicable

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Wikipedia

Herniaria glabra

Herniaria glabra, known as smooth rupturewort, is a plant of the family Caryophyllaceae. Growing in North America and Europe, it is believed to have diuretic properties. It contains herniarin, a methoxy analog of umbelliferone[1]

References

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