Type Information
Euphorbia olowaluana Sherff , Bot. Gaz. (Crawfordsville) 97: 580 1936.
Maui, West Maui, central ridge of Olowalu Valley. 12 May 1920. Forbes 2341.M.
Holotype [BISH]. Isotype(s) [BISH! [2]].
Note: Koutnik, D.L. 1987. Allertonia 4:331-388
*Verification: David Lorence.
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Euphorbia olowaluana Sherff f. gracilis Sherff, Occas. Pap. Bernice P. Bishop Mus. 20(1): 8 1949.

*Verification: David Lorence.
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Euphorbia olowaluana Sherff f. leiocarpa O. Deg. & Sherff, in Sherff, Amer. J. Bot. 38: 54 1951.
Hawai`i, near Ke`anakolu, mauka of Kuka`iau, dryish cattle range. 5000 ft. 23 August 1949. Degener et al. 19824.
Holotype [F]. Isotype(s) [BISH!, BM, GH, NY [mfc!]].

Note: Koutnik cited locality with an incorrect spelling ("Keanakohi"). Koutnik, D.L. 1987. Allertonia 4:331-388
*Verification: David Lorence.
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Euphorbia olowaluana Sherff f. polycephala Sherff, Occas. Pap. Bernice P. Bishop Mus. 20(1): 8 1949.
Hawai`i, slope of Mauna Kea above Pohakuloa. Fagerlind 6125.
Holotype [GB]. Isotype(s) [BM, F].

*Verification: David Lorence.
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Euphorbia olowaluana Sherff var. gracilis Rock, .

*Verification: David Lorence.
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Euphorbia olowaluana Sherff var. lepidifolia O. Deg. & Sherff, in Sherff, Amer. J. Bot. 38: 54 1951.
Maui, east of Pa`upa`u, Lahaina. 3200 ft. 7 August 1949. Degener and Murashige 19799.
Holotype [F]. Isotype(s) [BISH! [3], BM, F, GB, GH, K, MIN, MO! [2], US! [2]].

Note: Koutnik, D.L. 1987. Allertonia 4:331-388
*Verification: David Lorence.
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