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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
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.
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Alan S. Weakley asw_10231861207369161
July Georgetown County SC
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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.
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Alan S. Weakley asw_10231861215449363
July Georgetown County SC
)
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
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JK Marlow jkm231104_6589
November Georgetown County SC
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JK Marlow jkm231104_6590
November Georgetown County SC
Stems glabrous or puberulent; leaves serrulate to evenly serrate, per Weakley's Flora (2023).
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JK Marlow jkm231104_6592
November Georgetown County SC
Phyllaries 20-30, acute to long-attenuate at tip, per Weakley's Flora (2023).
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Alan S. Weakley asw_67110309_1
December Georgetown County SC
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Alan S. Weakley asw_67110309_2
December Georgetown County SC
Stems decumbent, with ascending or erect flowering branches, per Weakley's Flora (2023).
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Alan S. Weakley asw_67110309_3
December Georgetown County SC
)
Alan S. Weakley asw_67110309_4
December Georgetown County SC
)
Alan S. Weakley asw_67110309_5
December Georgetown County SC
)
Alan S. Weakley asw_67110309_8
December Georgetown County SC
)
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
4889
Forb
Annual
Habitat: Sandy beaches and dunes, per Weakley's Flora
Native to Florida
Rare in SC
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
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!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".