[ Alumroots: The Genus Heuchera in Mt. Adams Country]

Alpine Alumroot, Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot

Heuchera cylindrica

Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii

Plants on Mt. Adams are the former Heuchera cylindrica var. alpina.

Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina.

Alpine alumroot seen in a crevice on a north-facing cliff at 6700' on the northern edge of the Ridge of Wonders..........August 12, 2006. Note the dense cluster of basal leaves and the several leafless stems that arise from them on this species.

Inflorescence of Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina.

The photo above shows the numerous gland-tipped hairs on the outer surface of the flowers of round-leaf alumroot as seen on a rock outcrop on the Island on the eastern slopes of Mt. Adams..........July 17, 2006. The white petal-like structures are really the sepals. Petals are typically lacking on this species.

Basal leaf of Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina.

The photo above shows a close-up of the leaf of round-leaf alumroot. Photographed at the summit of Strawberry Mt. in central Oregon...........September 4, 1999. The thick blades are about 1-2.5 cm wide and slightly longer with acute to rounded or heart-shaped bases. The herbage ranges from finely glandular-pubescent to covered with coarse, stiff hairs.

Basal leaf of Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina. - Basal leaf of Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina. - Flower of Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina.

Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina. - Inflorescence of Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina. - Lava Alumroot, Poker Alum-root, Roundleaf Alumroot, Round-leaf Alumroot: Heuchera cylindrica (Synonyms: Heuchera cylindrica var. alpina, Heuchera cylindrica var. cylindrica, Heuchera cylindrica var. glabella, Heuchera cylindrica var. orbicularis, Heuchera cylindrica var. ovalifolia, Heuchera cylindrica var. septentrionalis, Heuchera cylindrica var. suksdorfii, Heuchera glabella, Heuchera ovalifolia, Heuchera ovalifolia var. orbicularis, Heuchera ovalifolia var. thompsonii, Heuchera saxicola, Heuchera suksdorfii ) - Plants on Mt. Adams are the former Heuchera cylindrica var. alpina.

The photo above shows close-ups of the flowers and leaves of roundleaf alumroot as seen on shaded, rocky slopes above the River Route Road which follows the upper Klickitat River to the southeast of Glenwood, WA..........May 26, 2008.

Paul Slichter