Plant Index


 
 
 
 

Ionactis linariifolius

Ionactis linariifolius (L.) Greene

stiff-leaved aster, flaxleaf whitetop aster

Synonym(s): Aster linariifolius, Aster linariifolius var. victorinii
Ionactis linariifolius (Stiff-leaved Aster)
Image ID: 18008
Image by: Sorrie, Bruce A.
Image Collection: NCBG Digital Library

PLANT INDEX

ID_PLANT: IOLI2
SCIENTIFIC NAME: Ionactis linariifolius
Include in WOTAS: 1
Publish to Web: 1
Last Modified: 2018-09-17

GENUS INDEX

GENUS CODE: IONAC
GENUS SCIENTIFIC: Ionactis
GENUS AUTHORITY: Greene
GENUS COMMON: Aster
GENUS SUMMARY: A genus of 5 species, herbs, of North America. Ionactis has usually been included in Aster, but differs in many characters and is more closely related to Heterotheca (Nesom & Leary 1992).
GENUS IDENTIFICATION:
GENUS REFERENCES: Nesom in FNA (2006b); Nesom & Leary (1992)=Z; Cronquist (1980)=SE.

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: Erect, clumped perennial of dry savannas, sandhills, flatwoods, prairie-like openings, glades, barrens, rock outcrops and road banks.
STEMS: Stems few to many forming dense tussocks, branched above in inflorescence, greenish-yellow to reddish, hairy.
LEAVES: Leaves alternate (appearing whorled), sessile, linear, to 1 1/2 in. long, stiffly spreading, shiny dark green above, paler below, rough-hairy.
INFLORESCENCE:
FLOWERS: Daisy-like composite flowers (heads) 1-many on short branches near top of stem; heads about 1 in. wide, consisting of 7-20 violet ray florets encircling a center disk of yellow tubular florets. Several series of green and white bracts surround the cylindrical base of each head.
FRUITS:
COMMENTS:
HEIGHT: 12-18 in.

DURATION: Perennial
HABIT: Herb

LEAF ARRANGEMENT:
LEAF COMPLEXITY:
LEAF RETENTION:

FLORAL CHARACTERISTICS
SYMMETRY:
BLOOM TIME: July-November
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
x x x x x

BLOOM COLOR: Violet to white
White Red Pink Orange Yellow Green Blue Lavender Purple Violet Brown Not Applicable
x x x x

FRUITING PERIOD:

DISTRIBUTION
HABITAT TYPE: Disturbed, Outcrops and glades, Pine savannas, Sandhills, Woods margins
NATIVE RANGE: eastern & central N. America

HORTICULTURAL
Plant Sale Text: Stiff-leaf aster has an upright growth habit and is very showy in bloom. This southeastern native perennial blooms for many weeks, often until frost, with 1-inch daisy-like flowers in clusters. Stiff-leaf aster has durable foliage that looks attractive throughout the growing season. The Cherokee used the roots of this plant for a variety of medicinal uses, including treating pain and fevers.

Bloom Table Text:

NCBG Location:

Cultural Notes:

SOIL MOISTURE: Average
LIGHT EXPOSURE: Sun, Part Shade
MINIMUM HARDINESS ZONE: 4
MAXIMUM HARDINESS ZONE: 9
GERMINATION CODE: 1
WILDLIFE VALUE: Bee Friendly, Butterfly Friendly
DEER RESISTANCE:

GRIM ACCESSIONS

acc_id acc_num acc_dt coll_id Action
287 2011-0147 2011-06-16 292 View
2432 1986-2273 View
6469 1996-0091 View
7010 1998-0270 View
7854 2001-0214 2001-11-30 View
8841 2007-0116 2007-05-30 View
9022 1996-0208 0000-00-00 1565 View
9412 2021-0074 2021-06-29 View


GRIM COLLECTIONS

Coll_id Project Collection date Collector Action
292 HORT 2009-01-01 NCBG staff View
1565 HORT 1996-11-12 View
2345 NPMD 2019-11-11 Touloupas View
2365 NPMD 2019-11-21 Touloupas View


GRIM PLANTINGS

plt_num acc_id loc_num pers_num inst_dt Action
678 287 21 NCBG staff 2011-04-08 View
4138 2432 27 NCBG staff 1986-12-31 View
9152 6469 146 NCBG staff 0000-00-00 View
9285 9022 115 NCBG staff 1999-05-01 View
9286 9022 142 NCBG staff 1967-12-31 View
9885 7010 8 NCBG staff 1996-03-05 View
11069 7854 51 Stern 1967-12-31 View
11070 7854 54 NCBG staff 1967-12-31 View
11071 7854 52 NCBG staff 2001-11-01 View
12725 9412 146 Wenck 2021-05-03 View

USDA PLANTS DATABASE

USDA Symbol: IOLI2
USDA Common Name: Flaxleaf Whitetop Aster
Native Status: L48 (N), CAN (N)
Distribution: USA (AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MN, MO, MS, NC, NH, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA, VT, WI, WV), CAN (NB, QC)
Duration: Perennial
Growth Habit: Forb/herb

WEAKLEY FLORA

SCIENTIFIC NAME: Ionactis linariifolia
COMMON NAME: Stiff-leaved Aster
SYNONYMY: [= FNA, K2, Pa, Va, WH3, Z; = I. linariifolius - Il, S, orthographic variant; = Aster linariifolius Linnaeus - C, G, RAB, SE, W, WV]
PHENOLOGY: Jul-Nov.
HABITAT: Dry savannas, sandhills, pine flatwoods, prairie-like openings, glades, and barrens, high elevation rock outcrops and glades, to at least 1450 m, dry roadbanks, woodland edges, rocky woodlands.
COMMENTS: ME and QC west to WI, south to ne. FL, Panhandle FL, and TX. There appears to be substantial variation in I. linariifolia, with montane (and northern) populations having considerably longer and broader leaves than Coastal Plain (and southern) populations; additional study is needed.
RANGE MAP: Ionactis linariifolia.png

Key to Map Symbols
ABOUT 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)
Ionactis Greene (Aster)
SUMMARY: A genus of 5 species, herbs, of North America. Ionactis has usually been included in Aster, but differs in many characters and is more closely related to Heterotheca (Nesom & Leary 1992).
REFERENCE: Nesom in FNA (2006b); Nesom & Leary (1992)=Z; Cronquist (1980)=SE.

HERBARIUM RESOURCES

SERNEC: Find Ionactis linariifolius in Southeast Regional Network of Experts and Collections (if available)
UNC SERNEC: Find Ionactis linariifolius in University of North Carolina Chapel Hill Herbarium - Southeast Regional Network of Experts and Collections (if available)

WEB RESOURCES

USDA: Find Ionactis linariifolius in USDA Plants
NPIN: Find Ionactis linariifolius in NPIN Database
FNA: Find Ionactis linariifolius in the Flora of North America (if available)
Google: Search Google for Ionactis linariifolius

NCBG IMAGE RECORDS

ID IMAGE1: 18008
ID IMAGE2: 0
ID IMAGE3: 19554

From the Image Gallery


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Image ID: 19554

Image ID: 8330
23 photo(s) available in the Image Gallery

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