oak barrens barbara’s-buttons, legrand's barbara's-buttons, tall barbara's-buttons
Image ID: 15599
Image by: Sorrie, Bruce A.
Image Collection: NCBG Digital Library
PLANT INDEX
ID_PLANT: MALE8
SCIENTIFIC NAME: Marshallia legrandii
Include in WOTAS: 0
Publish to Web: 1
Last Modified: 2019-01-11
GENUS INDEX
GENUS CODE: MARSH GENUS SCIENTIFIC:Marshallia GENUS AUTHORITY: Schreb. GENUS COMMON: Barbara's buttons GENUS SUMMARY: A genus of about 11 species, perennial herbs, of the se. United States. Marshallia ranges from sc. VA, sw. PA, WV, s. KY, s. MO, and c. OK, south to c. peninsular FL, and sw. TX. GENUS IDENTIFICATION: GENUS REFERENCES: Weakley& Poindexter (2012); Channell (1957)=Z; Watson in FNA (2006c); Watson & Estes (1990)=Y; Cronquist (1980)=SE; Watson, Elisens, & Estes (1991); Watson, Jansen, & Estes (1991); Beadle & Boynton (1901)=X.
FAMILY INDEX
FAMILY CODE: ASTERA FAMILY SCIENTIFIC:Asteraceae FAMILY AUTHORITY: Dumortier 1822 or COMPOSITAE Giseke 1792 FAMILY COMMON: Aster Family FAMILY SUMMARY: A family of about 1500-1700 genera and 20,000-25,000 species, shrubs, herbs, trees, and vines, cosmopolitan in distribution. FAMILY REFERENCE: Cronquist (1980)=SE throughout family treatment.
NCBG DESCRIPTIVES
INTRO: STEMS: Stems erect, unbranched, striate, especially immediately below the head. LEAVES: Leaves basal and cauline, alternate; the first basal (most proximal) leaves withering by anthesis,basalpetiolate, blades 3-nerved, lanceolate to oblanceolate (sometimes linear-oblanceolate), 15-30 cm long x 7-20 mm wide; apexacute to acuminate. INFLORESCENCE: Heads single, 26-45 mm in diameter. FLOWERS: Corollas pale to deep pink, 10-13 mm long, tubes ca. 10 mm, lobes 5-7.5 x 0.7-1.1 mm. Anthers Purple, 3-3.5 mm long, the column exerted beyond the corolla throat. FRUITS: Cypselae 3.0-3.2 mm long, 1.5-1.6 mm wide, hairy on the ribs at maturity. COMMENTS: The specific epithet legrandii commemorates the original discoverer, Harry Legrand, and emphasizes his immense contributions to natural heritage conservation. Marshallia legrandii is restricted to Granville Co., North Carolina and adjacent Halifax Co., Virginia within the Piedmont Physiographic Province of these States. HEIGHT: 60-80(-100) cm DURATION:
Perennial
HABIT:
Herb
LEAF ARRANGEMENT:
Alternate LEAF COMPLEXITY:
Simple LEAF RETENTION: FLORAL CHARACTERISTICS
SYMMETRY:
BLOOM TIME: Late Jun-Jul
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
x
x
x
BLOOM COLOR: Corollas pale to deep pink.
White
Red
Pink
Orange
Yellow
Green
Blue
Lavender
Purple
Violet
Brown
Not Applicable
x
FRUITING PERIOD: Aug-Sep. DISTRIBUTION
HABITAT TYPE: Restricted to fire-maintained mafic (diabase, greenstone) rock barrens, savannas, and woodlands.
NATIVE RANGE: NC & VA HORTICULTURAL
Plant Sale Text:
Bloom Table Text:
NCBG Location:
Cultural Notes:
SOIL MOISTURE:
Dry
LIGHT EXPOSURE:
Sun, Part Shade
MINIMUM HARDINESS ZONE:
MAXIMUM HARDINESS ZONE:
GERMINATION CODE:
WILDLIFE VALUE:
DEER RESISTANCE:
This information is derived from the 2018 North Carolina Natural Heritage Program List of Rare Plant Species.
WEAKLEY FLORA
SCIENTIFIC NAME: Marshallia legrandii
COMMON NAME: Oak Barrens Barbara's-buttons
SYNONYMY: [= Va; < M. grandiflora - RAB]
PHENOLOGY: Late Jun-Jul; Aug-Sep.
HABITAT: Diabase barrens and fire-maintained woodlands over greenstone.
COMMENTS: This species is known from two extant and two extirpated populations, in Granville County, NC and Halifax Co. VA, where associated with numerous rare and disjunct taxa of prairie or barren affinities: Solidago ptarmicoides, Solidago rigida var. glabrata, Symphyotrichum depauperatum, Echinacea laevigata, Silphium terebinthinaceum, Baptisia australis var. aberrans, Linum sulcatum var. sulcatum, Carex meadii, Eryngium yuccifolium var. yuccifolium, Scutellaria leonardii, Lithospermum canescens, and others. See Weakley & Poindexter (2012) for additional information.
RANGE MAP: Marshallia legrandii.png
Key to Map SymbolsABOUT FAMILY (Weakley Flora) Asteraceae Dumortier 1822 or COMPOSITAE Giseke 1792 (Aster Family) SUMMARY: A family of about 1500-1700 genera and 20,000-25,000 species, shrubs, herbs, trees, and vines, cosmopolitan in distribution. REFERENCE: Cronquist (1980)=SE throughout family treatment.ABOUT GENUS (Weakley Flora) Marshallia Schreb. (Barbara's buttons) SUMMARY: A genus of about 11 species, perennial herbs, of the se. United States. Marshallia ranges from sc. VA, sw. PA, WV, s. KY, s. MO, and c. OK, south to c. peninsular FL, and sw. TX. REFERENCE: Weakley& Poindexter (2012); Channell (1957)=Z; Watson in FNA (2006c); Watson & Estes (1990)=Y; Cronquist (1980)=SE; Watson, Elisens, & Estes (1991); Watson, Jansen, & Estes (1991); Beadle & Boynton (1901)=X.
HERBARIUM RESOURCES
SERNEC: Find Marshallia legrandii in Southeast Regional Network of Experts and Collections (if available) UNC SERNEC: Find Marshallia legrandii in
University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)