Allium bolanderi

Allium bolanderi S.Watson (syn. Allium stenanthum Drew) is a small onion growing in decayed granitic soil under native oak trees in California and Oregon. The bulbs are smooth, elongated, and less than 1/2" in length. Bulbs are connected to the plants by a delicate white rhizomes. It requires a very dry summer with absolutely no water. Photos are taken by Nhu Nguyen. The 1st photo shows a darker form of the species. The 2nd photo shows an in situ shot in Yolo County, CA, growing among poison oak.

Allium bolanderi, Nhu NguyenAllium bolanderi, in habitat, Nhu Nguyen

The photos below were taken by Nhu Nguyen. The 3rd and 4th photos are closeup photos of the flowers and inflorescence. They also show the powdery quality of the underside of the tepals. Photo 4-5 shows the bulbs dividing from two to four bulbs. The last photo shows the bulb which lays in the ground horizontally just as pictured here. The remnants of the rhizome can be seen on top of the bulb.

Allium bolanderi, inflorescence, Nhu NguyenAllium bolanderi, Nhu NguyenAllium, in habitat, Nhu NguyenAllium bolanderi, flower, Nhu NguyenAllium bolanderi, flower, Nhu NguyenAllium bolanderi, bulb, Nhu Nguyen

Allium bolanderi var. mirabile (L.F.Hend.) McNeal (syn. Allium mirabile L.F.Hend., Allium roguense M.Peck) is a small white flowered variety native to Southern Oregon and Northern California. It bloomed in June in Rogue River, Oregon. Photos by Travis Owen.

Allium bolanderi var. mirabile, June 2015, Travis OwenAllium bolanderi var. mirabile relative size, Travis OwenAllium bolanderi var. mirabile in habitat, June 2015, Travid Owen


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Page last modified on August 13, 2015, at 05:57 AM