Overview

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Global Range: YK and BC to WA, WY, NV, UT, and eastward, partly as an adventive (Kartesz 1988, 1999; Cronquist 1994; Scoggan 1979; Hulten 1968).

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Physical Description

Morphology

Description

Annuals, 7–70+ cm. Stems 1, ascending to erect (straight), bluish yellowish green, often red-tinged, ± succulent, glabrous. Leaves bluish (green) thin, sometimes ± fleshy, margins usually entire, sometimes serrulate, strigoso-ciliate to scabrous, midribs conspicuous, apices acute to short-acuminate, faces glabrous; basal withering by flowering, petiolate, blades spatulate, 15–205 × 1.5–9 mm, bases attenuate; proximal cauline usually withering by flowering (with clusters of smaller leaves in axils, often elongating into branches); cauline sessile, blades linear-oblanceolate, (10–)30–80(–150) × 1–4(–9) mm, gradually reduced distally, bases slightly dilated and clasping to rounded. Heads (disciform) in ± dense, narrow to pyramidal, paniculiform to racemiform arrays, branches decumbent (proximal) to ascending (distal); peduncles 0–1 cm, glabrous, bracts linear-lanceolate to linear, crowding heads. Involucres narrowly campanulate, 5–7(–11) mm. Phyllaries in 3–4 series, loose, linear to narrowly oblanceolate, subequal or outer sometimes longer, bases scarious, margins narrowly scarious proximally (outer), scabrous, green zones foliaceous (outer and mid) to lanceolate (inner), apices acute (rarely obtuse), mucronulate, faces glabrous. Ray florets 0. Pistillate florets 75–95+ in 4–5+ series; laminae 0 (corolla tubes ± 2 mm, shorter than style branches). Disc florets ± 14; corollas whitish turning pink, ± ampliate, tubes slender, longer than narrowly funnelform limbs, 3.5–5 mm, lobes narrowly triangular, ± 0.2 mm. Cypselae purple or grayish with purple streaks, obovoid to oblong-obovoid, ± compressed, 1.5–2.5 mm, 2–4-nerved (faint), faces hirsuto-strigose; pappi white or pinkish, 4–6 mm. 2n = 14.
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Diagnostic Description

Synonym

Erigeron ciliatus Ledebour, Icon. Pl. 1: 24. 1829; Aster angustus (Lindley) Torrey & A. Gray; A. brachyactis S. F. Blake; Brachyactis angusta (Lindley) Britton; B. ciliata Ledebour subsp. angusta (Lindley) A. G. Jones
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Ecology

Habitat

Comments: Lakeshores and borders of ponds on moist, saline soil.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Aster brachyactis

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Aster brachyactis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Statistics of barcoding coverage: Symphyotrichum ciliatum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N5 - Secure

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Wide range and common habitat (Scoggan 1979; Hulten 1968; Albee et al. 1988; Cronquist 1994).

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Notes

Comments

Symphyotrichum ciliatum is introduced east of the Prairies in winter-salted wastegrounds and roadsides; it is native in northern Ontario, however, in the saltmarshes of the western shore of James Bay. It is native to the steppes of Eurasia, westward to Rumania.
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Names and Taxonomy

Taxonomy

Comments: Kartesz (1999) reports Brachyactis ciliata ssp. laurentiana as the distinct local species Symphyotrichum laurentianum (FNA vol. 20, 2006, also treats this species as distinct); B. ciliata is a synonym of Symphyotrichum ciliatum. Thus only plants considered B. ciliata in a somewhat strict sense (excluding eastern Canada's B. laurentiana) are recognized as Symphyotrichum ciliatum, which includes all the remaining New World plants, sometimes treated as B. ciliata ssp. angusta (syn. Aster brachyactis) (Kartesz 1999; Cronquist 1994); cf. Scoggan (1979).

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