Overview

Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Physical Description

Morphology

Description

Plants 8–12(–20) dm. Stems puberulent, glabrescent. Leaves mostly cauline; blades ± lanceolate, 9–15(–25+) cm × 15–45(–60+) mm, l/w = (3.3–)4–6+, abaxially scabrellous, tomentose, or pannose, resin-gland-dotted, adaxially scabrellous, often resin-gland-dotted. Heads in corymbiform to paniculiform arrays. Peduncles 2–35 mm. Involucres ± hemispheric, 6–10 × 7–10 mm. Phyllaries 35–60+ in 4–6+ series, sparsely tomentulose, glabrescent, margins ciliolate, the outer lanceolate to subulate, 1–3 mm, inner oblong, 7–9+ mm, tips subulate to filiform. Florets 30–45(–65). Cypselae 3.5–4+ mm; pappi fuscous to purplish, outer scales 20, 0.2–0.6+ mm, contrasting with 30–40+, 5–7+ mm inner bristles. 2n = 34.
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Diagnostic Description

Synonym

Serratula noveboracensis Linnaeus, Sp. Pl. 2: 818. 1753; Vernonia harperi Gleason; V. noveboracensis var. tomentosa Britton
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Type Information

Isotype for Vernonia harperi Gleason
Catalog Number: US 431728
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): R. M. Harper
Year Collected: 1902
Locality: Douglas., Coffee, Georgia, United States, North America
  • Isotype: Gleason, H. A. 1906. Bull. New York Bot. Gard. 4: 221.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Vernonia noveboracensis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Threats

Comments: Highly threatened by land-use conversion and habitat fragmentation; human disturbance is reported to be a low-level threat (Southern Appalachian Species Viability Project 2002).

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Wikipedia

Vernonia noveboracensis

Vernonia noveboracensis (New York ironweed or Vein-leaf hawkweed) is a plant in the daisy family, Asteraceae. It is native to the eastern United States, from Florida to Massachusetts and west to Tennessee, Alabama, and West Virginia.[1]

Description[edit]

Vernonia noveboracensis is a herbaceous plant with alternate, simple leaves, on stiff, greenish purple stems. The flowers are purple, borne in summer and fall.[2] This ironweed is an herbaceous perennial that spreads by seeds and runners. Ironweed can be an aggressive weed in moist soils.[3]

References[edit]

  1. ^ "Vernonia noveboracensis". Flora of North America. 
  2. ^ Blanchan, Neltje (2005). Wild Flowers Worth Knowing. Project Gutenberg Literary Archive Foundation. 
  3. ^ Martin, Alexander C. (1972). Weeds. Racine, Wisconsin: Western Publishing Company. p. 116. 


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