Overview

Distribution

Localities documented in Tropicos sources

Gaillardia chrysantha Small:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Gaillardia fastigiata Greene:
United States (North America)

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Localities documented in Tropicos sources

Gaillardia lutea Greene:
United States (North America)

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Localities documented in Tropicos sources

Gaillardia lanceolata var. fastigiata (Greene) Waterf.:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Gaillardia lanceolata Michx.:
China (Asia)
Gabon (Africa & Madagascar)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Gaillardia aestivalis (Walter) H. Rock:
China (Asia)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

Perennials (sometimes flowering first year) 10–60+ cm (sometimes rhizomatous). Leaves cauline; petiolar bases 0–3+ cm; blades narrowly elliptic, linear, obovate, or spatulate, 15–60 × 3–12(–22) mm, (bases of distal often clasping) margins remotely toothed or entire, faces usually closely scabrellous (hairs sometimes crisped). Peduncles 1–10(–20) cm. Phyllaries 15–26, lance-ovate to lanceolate, 6–14+ mm, scabrellous. Receptacular setae 0 or 0.1–0.5+ mm. Ray florets usually 6–12(–15), sometimes 0; corollas pinkish to purple or yellow to cream or white, 13–25 mm. Disc florets 20–60(–100+); corollas yellow or purple to purple-brown or bicolored, tubes 0.5–1 mm, throats stoutly cylindric to campanulate or urceolate, 3.5–5 mm, lobes attenuate-terete, 1.5–3 mm, jointed hairs to 0.3 mm. Cypselae 1.5–2 mm, hairs 1 mm, inserted at bases and on angles and faces; pappi of 8–10 lanceolate, aristate scales 5–7 mm (scarious bases 2–3.5 × 0.6–1 mm). 2n = 34, 68.
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Diagnostic Description

Synonym

Helenium aestivale Walter, Fl. Carol., 210. 1788; Gaillardia aestivalis var. flavovirens (C. Mohr) Cronquist; G. chrysantha Small; G. fastigiata Greene; G. lanceolata Michaux; G. lanceolata var. fastigiata (Greene) Waterfall; G. lanceolata var. flavovirens C. Mohr; G. lutea Greene
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: T4 - Apparently Secure

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National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: TNR - Not Yet Ranked

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National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Gaillardia aestivalis

Gaillardia aestivalis is a species of flowering plant in the aster family known by the common name lanceleaf blanketflower. It is native to the southcentral and southern United States.[1] It is also cultivated as an ornamental plant.[2]

This plant is a perennial herb, sometimes growing from a rhizome, reaching maximum heights around 60 centimeters or more. The leaves are borne alternately along the stem. They are variable in shape and up to 6 centimeters long. The ones toward the top may clasp the stem at their bases. The flower heads are lined with several phyllaries. There are usually 6 to 12 ray florets, sometimes up to 15, but sometimes none. These are variable in color, being purplish, yellowish, or whitish. There are many disc florets at the center, also variable in color, especially across the varieties. The fruit is an achene which may be up to a centimeter long, including its pappus of scales.[1]

There are three varieties of this plant. The rare var. winkleri (Winkler's blanketflower[3] or white fire-wheel)[4] is endemic to the Pineywoods of Texas.[4]

References

  1. ^ a b Gaillardia aestivalis. Flora of North America.
  2. ^ Gaillardia aestivalis. Missouri Botanical Garden.
  3. ^ Gaillardia aestivalis. USDA Plants Profile.
  4. ^ a b Gaillardia aestivalis var. winkleri. Center for Plant Conservation.
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Notes

Comments

Plants with both ray and disc corollas wholly or mostly yellow to cream or white have been treated as a distinct species (Gaillardia lutea) or as varieties [G. aestivalis var. chrysantha (Small) Cronquist and G. aestivalis var. winkleri (Cory) B. L. Turner]. B. L. Turner (1979) formally recognized three varieties of G. aestivalis in the broad sense: var. aestivalis with purple discs, var. chrysantha with yellow discs, and var. winkleri with white discs. Although plants with yellow or white corollas may occur as local populations and may be distinguished by different ploidy levels, failing one or more additional distinguishing morphologic traits, they do not, in my opinion, merit formal taxonomic recognition.
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