pwatlingflo1streetthistle

pwatlingfol1streetthistle

pwatlingfor1streetthistle

Flower Umbel on 22 August

Foliage

Form

Common Name

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***Watling Street Thistle from Umbellifer Family

Botanical Name

Eryngium campestre

Soil

In dry grassland in South England (established at Plymouth before 1670)

Sun Aspect

Full Sun

Soil Moisture

Dry

Plant Type

Pale blue-green branched perennial

Height x Spread in feet

1-2 x 3

Foliage

Radical (Radical = arising from the base of the stem or from a rhizome) leaves stalked, pinnate (Pinnate = a leaf composed of more than 3 leaflets arranged in 2 rows along a common stalk or rhachis; bipinnate (2-pinnate), a leaf in which the primary divisions are themselves pinnate. Similarly, 3-pinnate, etc), cauline (Cauline = borne on the aerial part of the stem, especially the upper part, but not subtending a flower or inflorescence) sessile (Sessile = without a stalk), subcordate at the base and clasping stem. The foliage pictures above and below inform you of the same data in pictorial form!

Flower Colour in Month(s). Seed

Purplish or White 0.1 inch diameter flowers in an umbel (Umbel = an inflorescence in which the pedicels ( Pedicel = the stalk of a single flower) all arise from the top of the main stem. Also used of compound umbels in which the peduncles (Peduncle = the stalk of an inflorescence or partial inflorescence) also arise from the same point. An umbrella-shaped inflorescence.) in July-August

Comment

Native UK plant.

pwatlingflos1streetthistle

pwatlingfol2streetthistle

pwatlingfor2streetthistle

Flowers on 21 July

Single Leaf

Form

item9a1a1a

item10a1a1a

pwatlingflo2streetthistle

Flower Bud Closed

Flower Bud Open

Flower with its Bracteoles on 22 August