Search results
Results From The WOW.Com Content Network
Typically, an involucre with a clasping shape similar to a cup or urn subtends each of a thistle's flower heads. The typically feathery pappus of a ripe thistle flower is known as thistle-down. [1] The spininess varies considerably by species. For example, Cirsium heterophyllum has very soft spines while Cirsium spinosissimum is the opposite. [2]
The Cardueae are a tribe of flowering plants in the daisy family and the subfamily Carduoideae. [5] Most of them are commonly known as thistles; [6] four of the best known genera are Carduus, [7] Cynara (containing the widely eaten artichoke), Cirsium, [7] and Onopordum.
The phyllaries under the flowers occur in many rows, with the outer row with spine-tipped lobes and apical spines. The fruit is a black achene with a white pappus. [7] Species and varieties [8] [9] Silybum eburneum Coss. & Dur., known as the silver milk thistle, elephant thistle, or ivory thistle - Algeria, Morocco, Tunisia, Spain Silybum ...
Argemone mexicana – MHNT Flower bud of prickly poppy, which is a common weed of India. Picture is taken at Beliatore, West Bengal, India. Argemone mexicana, also known by the common names Mexican poppy, [1] Mexican prickly poppy, flowering thistle, [2] cardo, and cardosanto, is a species of poppy found in Mexico and now widely naturalized in many parts of the world.
The genus Carthamus, the distaff thistles, includes plants in the family Asteraceae. [4] The group is native to Europe, North Africa, and parts of Asia. [3] [5] The flower has been used since ancient times in the Philippines, which it has been called kasubha by the Tagalog people.
Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains).
Sonchus oleraceus is a species of flowering plant in the tribe Cichorieae of the family Asteraceae, native to Europe and Western Asia. It has many common names including common sowthistle, [2] sow thistle, [3] smooth sow thistle, annual sow thistle,puha, [4] hare's colwort, hare's thistle, milky tassel, milk thistle, [5] and soft thistle.
Centaurea (/ ˌ s ɛ n t ɔː ˈ r iː ə /) [1] is a genus of over 700 species of herbaceous thistle-like flowering plants in the family Asteraceae.Members of the genus are found only north of the equator, mostly in the Eastern Hemisphere; the Middle East and surrounding regions are particularly species-rich.