May 8
Aspraggine (Helminthotheca echioides (L.) Holub (= Picris e.), Asteraceae)
seen from Brazil
seen from United Kingdom
seen from Netherlands
seen from Brazil
seen from Singapore
seen from United States
seen from Brazil
seen from Yemen
seen from Malaysia
seen from United Kingdom
seen from Brazil
seen from United States
seen from France
seen from New Zealand
seen from Brazil
seen from Singapore
seen from United Kingdom
seen from Saudi Arabia
seen from Japan
seen from Saudi Arabia
Aspraggine (Helminthotheca echioides (L.) Holub (= Picris e.), Asteraceae)
Phylogeography above the species level for perennial species in a composite genus
Phylogeography above the species level for perennial species in a composite genus
Phylogenetic network of population samples of perennial species of Helminthotheca showing division into four clusters. Bottom centre: Bayesian admixture clustering with evidence for admixture in populations CM and CS. Bottom right: Neighbour-joining tree including the outgroup, H. echioides (E2, E4). Numbers above branches indicate bootstrap support values. (Credit: Tremetsberger et al.)…
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A plant for bristly oxen
A plant for bristly oxen
This plant shows its bright yellow blooms in June a bit uphill from the shore, sprouting in solitary stands amidst the barley, oats, and other grasses on the hillsides. It’s Helminthotheca echioides, commonly known as bristly oxtongue. It would have to be a tough-tongued oxen to munch on it, as the leaves are armed with bristles and spikes, see second picture below.
Helminthothecais believed to…
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