OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus debilis ssp. debilis   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus debilis ssp. debilis   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Helianthus debilis ssp. debilis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Helianthus debilis ssp. debilis

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Helianthus debilis

 

COMMON NAME:
East Florida Beach Sunflower


         To see larger pictures, click or hover over the thumbnails.

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_10231861207369161

July    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_10231861214849348

July    Georgetown County    SC

Ray florets 11-20. Disc floret corolla lobes usually reddish. Anthers dark, per Flora of North America.

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_10231861215449363

July    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_10231861435254858

July    Georgetown County    SC

This has exploded at Pawleys Island after first showing up several years ago after a hurricane. — Alan Weakley

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

JK Marlow    jkm231104_6589

November    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

JK Marlow    jkm231104_6590

November    Georgetown County    SC

Stems glabrous or puberulent; leaves serrulate to evenly serrate, per Weakley's Flora (2023).

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

JK Marlow    jkm231104_6592

November    Georgetown County    SC

Phyllaries 20-30, acute to long-attenuate at tip, per Weakley's Flora (2023).

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_67110309_1

December    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_67110309_2

December    Georgetown County    SC

Stems decumbent, with ascending or erect flowering branches, per Weakley's Flora (2023).

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_67110309_3

December    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_67110309_4

December    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_67110309_5

December    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_67110309_8

December    Georgetown County    SC

image of Helianthus debilis ssp. debilis, East Florida Beach Sunflower

Alan S. Weakley    asw_67110309_9

December    Georgetown County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus debilis ssp. debilis   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus debilis ssp. debilis   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus debilis ssp. debilis

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Helianthus debilis ssp. debilis

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus debilis

 

Find by SCIENTIFIC NAME:

4889

Forb
Annual

Habitat: Sandy beaches and dunes, per Weakley's Flora

Native to Florida

Rare in SC

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Mostly alternate

FLOWER:
Winter/Spring/Summer/Fall
Rays: Yellow
Disc: Reddish
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile

FRUIT:
Winter/Spring/Summer/Fall
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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