Sunday, 27 March 2022

Cerastium glomeratum 球序卷耳

Common name: Sticky Mouse-ear
Scientific name: Cerastium glomeratum 球序卷耳
Genus: Cerastium 卷耳屬 
Family: Caryophyllaceae 石竹科, pink or carnation family

Remarks:

Origin: native

Date:  25th March



A smaller but erect plant.


Need to look carefully to see if the bud-like structures are buds, closed flowers or fruits

photo in natural light

bracts and leaves

flowers clustered into compact heads

photo enlarged below to show the glandular sepals 


note some of the hairs (especially those on the lower part of the sepal) on the sepals are glandular 

green sepal with long white hairs extending beyond tip

petals about equaling sepals, split to less than half way;
 stamens 10; styles 5 (vs styles 3 in Stellaria 繁縷屬)

fruit on the left of the head

capsule

capsule; green sepals with long white hairs extending beyond tips

capsule on the top of the photo

The tip of the capsule split open a little bit to become capsule teeth.

split open capsule on the left of the head

The tip of the capsule split open a little bit to become 10 capsule teeth.

look from the tip of the split open capsule to see the orangish-brown seeds inside

seeds inside the split open capsule

No comments:

Post a Comment