14 de noviembre de 2023

Purple Caprifoliaceae in Belgian calcareous grasslands

Three purple Caprifoliaceae in Belgian calcareous grasslands.

Knautia arvensis
beemdkroon
Scabiosa columbaria
duifkruid
Succisa pratensis
blauwe knoop
Knautia arvensis underside Scabiosa columbaria underside
Note the black hairs.
Succisa pratensis underside
Knautia arvensis leaves Scabiosa columbaria leaves Succisa pratensis underside
Publicado el 14 de noviembre de 2023 a las 12:51 PM por thomas-- thomas-- | 0 comentarios | Deja un comentario

26 de septiembre de 2023

Betula pendula/pubescens (berk)

Comparison between Betula pendula and Betula pubescens.

Betula pendula
ruwe berk
Betula pubescens
zachte berk
Betula pendula leaves
Double serrated.
Betula pubescens leaves
Serrated.
Betula pendula branch Betula pubescens branch
Betula pendula fruits Betula pubescens fruits
Publicado el 26 de septiembre de 2023 a las 08:42 PM por thomas-- thomas-- | 0 comentarios | Deja un comentario

Aphanes (Alchemilla) australis/arvensis (leeuwenklauw)

Comparison between Alchemilla australis and Alchemilla arvensis.

Alchemilla australis
kleine leeuwenklauw
Alchimella arvensis
grote leeuwenklauw
Alchemilla australis flowers
Flowers closed (sepals curved inwards).
Alchemilla arvensis flowers
Flowers open (sepals erect).
Alchemilla australis stipule
Stipule teeth at fruiting nodes long
Alchemilla arvensis stipule
Stipule teeth at fruiting nodes short.
Publicado el 26 de septiembre de 2023 a las 01:29 PM por thomas-- thomas-- | 0 comentarios | Deja un comentario

Drosera intermedia/rotundifolia (zonnedauw)

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

Drosera intermedia
kleine zonnedauw
Drosera rotundifolia
ronde zonnedauw
Drosera intermedia petiole
Petiole (nearly) glabrous.
Drosera intermedia petiole
Petiole very hairy.
Drosera intermedia stalk
Flower stalk emerging below rosette.
Drosera rotundifolia stalk
Flower stalk emerging on top of rosette.
Drosera intermedia fruits
Fruits rounded.
Drosera rotundifolia fruits
Fruits elongated.
Drosera intermedia seeds
Seeds round with papillae.
Drosera rotundifolia seeds
Seeds resemble orchid seeds.
Publicado el 26 de septiembre de 2023 a las 01:06 PM por thomas-- thomas-- | 0 comentarios | Deja un comentario

Echinochloa crus-galli/muricata (hanenpoot)

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)
Echinochloa crus-galli flowers
Spikelets not very spiny.
Spikelets don't stick to your fingers when pinching the inflorescence.
Echinochloa muricata flowers
Spikelet very spiny.
Echinochloa muricata spikelets often stick to your fingers
Spikelets clearly stick it your fingers when pinching the inflorescence.
Echinochloa crus-galli sheath
Sheat opening short.
Echinochloa muricata sheat
Sheat opening long.
Publicado el 26 de septiembre de 2023 a las 08:44 AM por thomas-- thomas-- | 0 comentarios | Deja un comentario

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