[Buttercups: The Genus Ranunculus in Mt. Adams Country]

Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup

Ranunuculus grayi

Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)

Close-up of a flower of Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup: Ranunculus grayi (Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)

The photo above shows a flower of modest buttercup as seen at 7980' on moist, rocky slopes in the Devils Garden on the northeastern side of Mt. Adams.........July 24, 2005. Note the numerous central pistils, numerous broad stamens ringing the pistils, and the 5 yellow petals which measure up to 5 mm long.

Similar Species on Mt. Adams:

Snow Buttercup, Eschscholtz's Buttercup: Ranunculus eschscholtzii var. eschsholtzii (Synonyms: Ranunculus eschscholtzii var. typicus, Ranunculus nivalis var. eschscholtzii) - Petals generally over 8 mm long. Middle division of basal leaves entire to shallowly 3-lobed. The tips of the leaf segments are rounded. The styles are straight. Plants upright, 5-20 cm high.

Suksdorf's Buttercup, Subalpine Buttercup, Spruce-fir Buttercup: Ranunculus eschscholtzii var. suksdorfii (Synonym: Ranunculus suksdorfii) - Petals generally over 8 mm long. Middle division of basal leaves deeply 3-lobed to occasionally entire. The tips of the leaf segments taper gradually to a pointed apex with more or less straight sides. The styles are straight. Plants upright, 5-20 cm high.


Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup: Ranunculus grayi (Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)

The photo above shows the form of modest buttercup as seen at 7980' on moist, rocky slopes in the Devils Garden on the northeastern side of Mt. Adams..........July 24, 2005.

Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup: Ranunculus grayi (Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)

The photo above shows upper stem of modest buttercup as seen at 7980' on moist, rocky slopes in the Devils Garden on the northeastern side of Mt. Adams..........July 24, 2005. This species often has up to 3 flowers at the tip of each stem.

Close-up sideview of a flower of Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup: Ranunculus grayi (Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)

A side-view of the flower of modest buttercup. Note the reddish-orange sepals which have curled downwards from the petals, and which are lined with long, loose hairs.

Close-up of the maturing capsules of Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup: Ranunculus grayi (Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)

The photo above shows a close-up of the dense, elongated cluster of pistils which will develop into achenes of modest buttercup. Note the curved beak at the tip of each pistil. The beaks of both the similar snow buttercup and subalpine buttercup are straight.

Basal leaf of Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup: Ranunculus grayi (Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)

The photo above shows a close-up of the glabrous leaf of modest buttercup. Note the heart-shaped base and the three main lobes which are each divided into smaller lobes.

Close-up sideview of a flower of Arctic Buttercup, Ice Cold Buttercup, Modest Buttercup, Timberline Buttercup, Tundra Buttercup: Ranunculus grayi (Synonyms: Ranunculus gelidus var. grayi, Ranunculus verecundus)


Paul Slichter