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Purpletassels

Dalea gattingeri (A. Heller) Barneby

Comprehensive Description

provided by North American Flora
Petalostemon gattingeri A. Heller, Bull. Torrey Club 26: 593. 1899.
Kuhnistera Gattingeri A. Heller, Bull. Torrey Club 23: 121. 1896.
A perennial, woody at the base; stem 3-5 dm. high, branched and bushy, decumbent or erect, sparingly pubescent and glandular-punctate; leaves numerous, 3-4 cm. long; stipules subulate; leaflets 5-7, narrowly linear to narrowly oblong, 1-2 cm. long, 1-3 mm. wide, dull and glandular below, light-green above, glabrous or nearly so; spikes short-peduncled, cylindric, in fruit 2-6 cm. long; bracts longer than the calyces, oval-lanceolate, long-attenuate, pubescent; calyx pubescent, 4 mm. long; lobes triangular-lanceolate, slightly shorter than the tube; corolla rose-purple; blade of the banner reniform-cordate, 2 mm. long, 3 mm. broad, the claw 3 mm. long; blades of the other petals oblong, 3 mm. long, the claws 1 mm. long; pod obliquely obovate, 3 mm. long, pubescent.
Type locality: Nashville, Tennessee.
Distribution: Tennessee and Alabama.
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bibliographic citation
Per Axel Rydberg. 1919. (ROSALES); FABACEAE; PSORALEAE. North American flora. vol 24(1). New York Botanical Garden, New York, NY
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Physical Description

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Dr. David Bogler
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Dalea gattingeri

provided by wikipedia EN

Dalea gattingeri, commonly called purpletassles or Gattinger prairie clover, is a species of flowering plant in the legume family. It is native to the Southeastern United States, where it is restricted to limestone cedar glades of Tennessee, Alabama, Georgia, Missouri, and Arkansas. Its populations are widely dispersed and geographically small, with most populations being found in the Nashville Basin.[1]

It is a perennial that produces purple flowers in the summer. It has been shown to have alleopathic chemicals that inhibit the growth of nearby species Minuartia patula.[2]

References

  1. ^ a b NatureServe
  2. ^ Turner, Barbara Homan; Quarterman, Elsie (1978). "Allelochemic Effects of Petalostemon Gattingeri on the Distribution of Arenaria Patula in Cedar Glades". Ecology. 56 (4): 924–932. doi:10.2307/1936302. JSTOR 1936302.
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Dalea gattingeri: Brief Summary

provided by wikipedia EN

Dalea gattingeri, commonly called purpletassles or Gattinger prairie clover, is a species of flowering plant in the legume family. It is native to the Southeastern United States, where it is restricted to limestone cedar glades of Tennessee, Alabama, Georgia, Missouri, and Arkansas. Its populations are widely dispersed and geographically small, with most populations being found in the Nashville Basin.

It is a perennial that produces purple flowers in the summer. It has been shown to have alleopathic chemicals that inhibit the growth of nearby species Minuartia patula.

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