thomas--'s Journal

Three purple Caprifoliaceae in Belgian calcareous grasslands.

Knautia arvensis beemdkroon	Scabiosa columbaria duifkruid	Succisa pratensis blauwe knoop
	Note the black hairs.

Comparison between Betula pendula and Betula pubescens.

Betula pendula ruwe berk	Betula pubescens zachte berk
Double serrated.	Serrated.

Comparison between Alchemilla australis and Alchemilla arvensis.

Alchemilla australis kleine leeuwenklauw	Alchimella arvensis grote leeuwenklauw
Flowers closed (sepals curved inwards).	Flowers open (sepals erect).
Stipule teeth at fruiting nodes long	Stipule teeth at fruiting nodes short.

Comparison between Drosera intermedia and Drosera rotundifolia. The two Drosera spp. occuring in Belgium.

Drosera intermedia kleine zonnedauw	Drosera rotundifolia ronde zonnedauw
Petiole (nearly) glabrous.	Petiole very hairy.
Flower stalk emerging below rosette.	Flower stalk emerging on top of rosette.
Fruits rounded.	Fruits elongated.
Seeds round with papillae.	Seeds resemble orchid seeds.

Comparison between Echinochloa crus-galli and Echinochloa muricata. The two most common Echinochloa spp. in Belgium.

Echinochloa crus-galli Europese hanenpoot (Dutch)	Echinochloa muricata stekelige hanenpoot (Dutch)
Spikelets not very spiny. Spikelets don't stick to your fingers when pinching the inflorescence.	Spikelet very spiny. Spikelets clearly stick it your fingers when pinching the inflorescence.
Sheat opening short.	Sheat opening long.