OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (11/30/12):
Ageratum houstonianum   FAMILY Asteraceae__   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ageratum houstonianum   FAMILY Asteraceae__

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Ageratum houstonianum

 

COMMON NAME:
Ageratum, Floss-flower


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

image of Ageratum houstonianum, Ageratum, Floss-flower

Keith Bradley    kab_a_houstonianum_72756

February    Miami-Dade County    FL

Stems erect to decumbent, sparsely to densely pilose, per Flora of North America.

image of Ageratum houstonianum, Ageratum, Floss-flower

Keith Bradley    kab_a_houstonianum_72761

February    Miami-Dade County    FL

Flower heads in dense to open, cymiform to corymbiform arrays, per Flora of North America.

image of Ageratum houstonianum, Ageratum, Floss-flower

Keith Bradley    kab_a_houstonianum_72843

March    Miami-Dade County    FL

Leaf blades deltate to ovate, mostly 3-8 × 2.5-4cm, margins toothed, per Flora of North America.

 

WEAKLEY'S FLORA (11/30/12):
Ageratum houstonianum   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ageratum houstonianum   FAMILY Asteraceae__

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Ageratum houstonianum

 

Find by SCIENTIFIC NAME:

3850

Forb
Annual

Non-native: southeast Mexico, Central America (apparently)

Habitat: Wet, disturbed areas, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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
Opposite

FLOWER:
Summer
Disc: Lavender (rarely white)
Rays: Absent
Inferior ovary

FRUIT:

 

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



 


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