Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Rosales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Pilea microphylla var. microphylla
FAMILY
Urticaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Pilea microphylla
FAMILY
Urticaceae
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Pilea microphylla
INCLUDED WITHIN Flora of North America north of Mexico, vol. 3 (1997)
Pilea microphylla
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 059-05-003:
Pilea microphylla FAMILY Urticaceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Pilea microphylla
SYNONYMOUS WITH Flora of the Southeastern US (Small, 1913)
Adicea microphylla
COMMON NAME:
Rockweed, Artilleryweed
To see larger pictures, click or hover over the thumbnails.
)
Keith Bradley kab_p_microphylla_77710
June Miami-Dade County FL
Krome Bird Refuge
Leaves elliptic to oblanceolate, 0.5-1.8cm long, 1-6mm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Keith Bradley kab_p_microphylla_77719
June Miami-Dade County FL
Krome Bird Refuge
Stems trailing to ascending, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Pilea microphylla var. microphylla
FAMILY
Urticaceae
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Pilea microphylla
FAMILY
Urticaceae
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Pilea microphylla
INCLUDED WITHIN
Flora of North America north of Mexico, vol. 3
Pilea microphylla
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 059-05-003:
Pilea microphylla
FAMILY
Urticaceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Pilea microphylla
SYNONYMOUS WITH
Flora of the Southeastern US (Small, 1913)
Adicea microphylla
4111
Subshrub; Forb
Biennial/Short-lived perennial
Monoecious
Habitat: Marl prairies, hammocks, pine rocklands, old rock and brick walls, urban areas, hammocks, especially in thin soil over limestone, per Weakley's Flora
Native at least to Florida, the original distribution unclear
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
IS THE PLANT "ARMED"?
Stinging trichomes absent
LEAVES:
Simple
Opposite
Margins entire
FLOWER:
Winter/Spring/Summer/Fall
Greenish
3-4 sepals
Petals absent
3-4 stamens
Superior ovary
Unisexual
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".