Search results
Results from the WOW.Com Content Network
Cirsium horridulum, called bristly thistle, purple thistle, or yellow thistle is a North American species of plants in the tribe Cardueae within the family Asteraceae. It is an annual or biennial . [ 2 ]
Eutrochium purpureum, commonly known as purple Joe-Pye weed [4] or sweetscented joe pye weed, [5] is an herbaceous perennial plant in the family Asteraceae. It is native to eastern and central North America , from Ontario east to New Hampshire and south as far as Florida , Louisiana , and Oklahoma .
The flowers are greenish-white and borne in verticils in the leaf axils. The fruit is a purple-red drupe with two stones; the drupes are persistent through winter. Symphoricarpos orbiculatus can reach a height of 6 ft (180 cm), but is typically 3–4 ft (90–120 cm). [4] The plant is monoecious, with male and female flowers on the same individual.
Stems are sometimes completely purple, sometimes green with purple spots. One plant can produce numerous rose-purple flower heads in late summer, each head with 8-22 disc flowers but no ray flowers. [5] The specific name maculatum, meaning spotted, refers to the purple spots on the stem. [6] [4]
The flowers are 2.5–4 cm (1.0–1.6 in) in diameter, with five rose-purple, pale or violet-purple (rarely white) petals and ten stamens. In the Northern Hemisphere, they appear from April to June (precise dates depend on the latitude). [2] [3] They are grouped in loose corymbs or umbels of two to five at the top of the flower stems. [4]
For premium support please call: 800-290-4726 more ways to reach us
Flower heads are sometimes produced one at a time, sometimes in small groups, each head with light purple disc florets but no ray florets. [2] The flowers of Cirsium texanum provide nectar for butterflies and the foliage is used as a source of food for the larvae of the painted lady butterfly. Goldfinches also use the seeds as a food source. [5]
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!