Monday, 16 May 2022

Lysimachia nemorum 黃繁縷

Common name: Yellow Pimpernel
Scientific name: Lysimachia nemorum 黃繁縷
Genus: Lysimachia 珍珠菜屬
Family: Primulaceae 報春花科, primrose family

Remarks*:

Origin: native

Date: 13th and 21st May


(taken on 21st May on another location)

A slender, evergreen, glabrous, prostrate perennial, can reach up to 40 cm.



Leaves 1-3 cm, opposite, ovate and acute at tip. (vs leaves 1.5-3 cm, opposite, broadly ovate and rounded at tip in Lysimachia nummularia 圓葉過路黃, 草甸排草, 葡蔔珍妮, creeping-Jenny)

The leaf stalk and the underside of the leaves.


Flower bud. 


Flower bud at later stage. (taken on 21st May on another location)


Flower on slender stalk. (taken on 21st May on another location)


The underside of the flower, showing the linear calyx lobes. (vs ovate calyx lobes in Lysimachia nummularia 圓葉過路黃, 草甸排草, 葡蔔珍妮, creeping-Jenny)

Front-view of the flower, enlarged below to see the details.


5 petals, overlapping a little bit to each other.

Another angle of the flower.


Enlarged to see the 5 stamens and 1 style.


5 stamens and 1 style.

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