Tripleurospermum maritimum 白夏菊、海洋小白菊

Common name: Sea Mayweed
Scientific name: Tripleurospermum maritimum 白夏菊、海洋小白菊
Genus: Tripleurospermum 三肋果屬
Family: Asteraceae or Compositae 菊科, aster , daisy, composite or sunflower family

Remarks:

Origin: native

Date: 28th July

355 A perennial, more or less prostrate, mat-forming.

354

356

366 Stem red, with ridges.

365

368 

368_1 Leaflets rather succulent. (vs leaflets not succulent in Tripleurospermum inodorum 新疆三肋果, scentless mayweed)

367 Underside of the lef.

367_1 Underside of the leaf. Note the ridges along the edges of the leaf and leaflets.

357 Flower head with both white ray florets and yellow disk florets.

364

364_1 Phyllaries with brown edges.

359

361

363

361_1 Open ray floret (R) with 2-lobed stigma emerged.

359_1 Different stages of disk florets: (1) flower bud with petals not yet open; (2) flower starts to bloom with 5 petals open a little bit with center anther tube could be seen; (3) flower open wider with 5 petals and center closed anther tube clearly seen. (4) flower with center reddish orange anther tube start to split open; (5) flower with anther tube split open, with numerous tiny yellow pollens attached to the top of it; (6) flower with anther tube split open and the inside 2-lobed stigma start protuding from the anther tube.