A Spinyfruit Buttercup (Ranunculus muricatus) flower which has distinct, 1/4 " long petals with separate and many pistils. The sepals are somewhat hairy. The flower is bisual.
by htop Dec 11, 2006 3:39 PM
The pistils of the Spinyfruit Buttercup (Ranunculus muricatus) flower develops into a 4 to 5.5 mm long achene with short spines on the sides. The species name "muricatus" means "with spines".
by htop Dec 11, 2006 3:45 PM
Spinyfruit Buttercup (Ranunculus muricatus) basal leaves which are simple, broadly cordate to reniform or semicircular, undivided to 3-lobed, 2 to 5 cm long and 2 to 6.5 cm wide.
by htop Dec 11, 2006 3:50 PM
Spinyfruit Buttercup (Ranunculus muricatus) growth habit showing some cauline leaves - lower ones are alternate and similar to basal ones; upper ones reduced in size, narrower and more deeply lobed.
by htop Dec 11, 2006 4:15 PM
A view of the Spinyfruit Buttercup (Ranunculus muricatus) growth habit ... the stems may be reclining or erect. It forms colonies and emerges in November and blooms in very early spring.
by htop Dec 11, 2006 4:19 PM
Sharp Buttercup in Morwell National Park in Victoria, Australia, October 1990
by kennedyh Jun 15, 2007 9:46 PM
