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 Bracts Constellation trailSue Smith |  Flower head Constellation trailSue Smith |  Leaves Constellation trailSue Smith |  Plant - summer Constellation trailSue Smith | | |
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Origin:
Native
Life Cycle:
Perennial
General Desc:
Low growing, shrubby perennial with showy white flower clusters and yellow-green triangular to heart-shaped leaves. The whole
plant is fragrant when dried. Woody, underground rhizomes resemble snakes.
Identification notes: Ageratina herbacea is recognized by the distinctive color of its usually yellow-green, sometimes grayish, leaves; bracts
with minute, thickened hairs; woody rhizomes.
Height:
To 2 feet
Habitat Description: Clearings in pine forests, along rocky streams, slopes, ridges and arroyos.
Plant Communities:
Pinyon Juniper Woodland, Montane Conifer Forest, Riparian
Elevation: 5000 - 9000 feet
Color:
White
Shape:
Daisy or dandelion-like in round clusters
Tubular:
N
Flowering Period:
Jun - Oct
Description:
Flower heads are white with tiny, star-like, 5-lobed tubular flowers and long white stamens. Flowers are to 1/16 inch wide. Flower
heads are 3/8 inch wide in a terminal cluster. A cluster is about 2 inches wide.
Leaf Color:
Yellow-green
Leaf Type:
Simple
Leaf Shape:
Triangular
Leaf Margin:
Toothed
Leaf Attachment:
Opposite
Leaves Clasp:
N
Hairs:
No
Spines:
N
Leaf Description:
Leaves are light green, triangular, toothed, and prominently veined to 3 inches long (including stem) and to 1-3/4 inches wide.
Fruit Type: Achene
Fruit Notes: 5-angled, generally 5-ribbed; pappus of 5 to 40 slender rough bristles, often easily detached.
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