Asteraceae-Sunflower3:misc2017-08-16T14:17:06+00:00

   Asteraceae: Sunflower Family – Heliantheae (Sunflower) Tribe: miscellaneous

The Sunflower family is a very large family with over 25,000 members.  Botanists subdivide the family into a number of tribes of which 14 are represented in Monterey County, one of these, the Heliantheae or Sunflower tribe, being further broken down into subtribes of which 9 are represented in Monterey County. This pages covers three of the smaller sub-tribes.

Sneezeweed – Helenium puberulum

Blooms:

June–Aug

Plant Height:

5–16 dm

Flower Size:

Medium

Origin:

 

Native

Habitat:

By streams & seeps

Notes:

Fairly common.  Immediately recognizable by its spherical head of disk flowers with a subtending fringe of ray flowers which are generally folded back along the stem.  Disk flowers are yellow at the base with tips ranging in color from yellow to purple. Stems are long and strongly winged. Leaves are oblong-elliptic to lanceolate, entire.

Fleshy Jaumea – Jaumea carnosa

Blooms:

May–Oct

Plant Height:

Trailing

Flower Size:

Small

Origin:

Native

Habitat:

Dunes & coastal marshes

Notes:

Found mainly by the coast, this has fleshy, linear to oblong or oblanceolate leaves and small flower heads with narrow, well-separated ray flowers.  The plant is one of a comparatively small number of “halophytic” plants, i.e. those with a tolerance for water with a high level of salinity.

Beach Bur-sage / Beach Bur – Ambrosia chamissonis

Blooms:

Mar–Oct

Plant Height:

15–30 cm

Flower Size:

Small cluster

Origin:

Native

Habitat:

Coastal dunes

Notes:

Common. Bluish-green leaves, covered in fine gray hairs, quite variable in shape, often deeply-lobed or finely divided. The plant is monoecious; the small, yellow male flowers borne in pendulous clusters on the upper part of the stem; the female flowers appearing on the lower part of the stem maturing into the sharp-spined burs which give the plant its common name.

Cocklebur – Xanthium strumarium

Blooms:

July–Oct

Plant Height:

10–80 cm

Flower Size:

Small clusters

Origin:

Native

Habitat:

Seasonally wet places

Notes:

Variable in appearance, more easily recognized by its fruits than its flowers. The plant is monoecious; the male flowers appearing above the female which mature into large (10–30+ mm) burs with many hooked spines. The leaves are broad, roundish to deltate.