NPSO Bulletin May 03 14
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Bulletin of the Native Plant Society of Oregon Dedicated to the enjoyment, conservation, and study of Oregon’s native vegetation VOLUME 36, NO. 5MAY 2003 Sidalcea Summer: Botanists, Boots, and Boats by Rhoda M. Love, Emerald Chapter hope 2003 will be the summer when Manual lists 18 Sidalcea species for by another Oregon pioneer, Thomas I NPSO volunteers scour Oregon’s California; floras of Oregon generally Jefferson Howell, near the mouth of Pacific coast estuaries for one of our recognize 13 species; Hitchcock identi- the Umpqua River in Douglas County. rarest and most beautiful wildflowers, fied three species in Washington; and It has not been seen in either location Sidalcea hendersonii, Henderson’s British Columbia has two. for many years. checkermallow. In a 1957 monograph, Hitchcock If Oregon is indeed the species’ site A member of the Hollyhock Fami- concluded that the closest living of origin, as well as its site of first dis- ly (Malvaceae), Henderson’s checker- relative of S. hendersonii was Sidalcea covery, it is sad to contemplate what has mallow is a gorgeous plant, which is, or nelsoniana, another rare Oregon apparently happened to it here. Histori- was, one of the treasures of our coast. species. Thus it seems possible that cally there were at least ten sites in our (See recent photo which was not taken Henderson’s sidalcea evolved in Ore- state. With your help, I hope surveys in Oregon.) Sadly, evidence suggests gon. How it subsequently spread along will take place at most of these sites in that the species has virtually disap- the coast is not known. As for its rarity, 2003; however, based on current peared from our state, although it was the species is vulnerable due to various knowledge plus evidence from searches originally known from at least ten scat- factors. First are the vicissitudes of the in the 1970s, Henderson’s checkermal- tered locations from the mouth of the estuarine habitat where vegetation may low has been found at only 3 places in Umpqua River in Douglas County to fall prey to flooding, siltation, storm Oregon in the last 40 years. (At one of the Columbia River estuary. While it surges, battering by driftwood and these, only a single stem was noted.) can still be found in places along the long-term changes in sea level. Other continued on page 57 Washington and southern British dangers are anthropogenic, arising due Columbia coasts, this is its worldwide to forestry, urban or resort develop- distribution! Where it still exists, the ment, road, bridge and airport con- plant is found in a unique habitat: struction, grazing, and the introduc- In This Issue areas where fresh water from lakes or tion of weedy competitors. Research in streams approaches the Pacific Ocean. BC suggests that the plant’s gynodioe- April State Board Meeting..48 Its typical locations are tidal river estu- cious reproductive mechanism makes it aries, estuarine islands, outlets of sand vulnerable when population size be- Chapter Calendar ..............49 dune lakes, or where fresh water comes low. Weevils are known to feed marshes drain to the sea. on the seeds. Other Events ....................54 Where did this unusual and Sidalcea hendersonii was first made spectacular species evolve, how did it known to science by plant explorers in Camas: Essential Item for spread to these isolated locations, and Oregon. Pioneer botanist Louis F. Northwest First Peoples ....56 why has it virtually disappeared from Henderson receives credit for sending Oregon? These questions have not yet the type specimen to the Gray Herbari- All Plant Geneticists been answered; however, it seems likely um where it was named by Sereno Agree… ...........................58 that the species moved primarily from Watson in 1887. Henderson made the south to north. At least this is my collection, probably near present day NPSO Contacts..................59 hypothesis based on the fact that the Fort Stevens State Park on the NPSO Items for Sale..........60 genus Sidalcea is more diverse in Cali- Columbia River estuary in Clatsop fornia than to the north. The Jepson County. Simultaneously, it was found May 2003 47 Highlights of the April State Board Meeting OCIE T S TY N O A F L by Kelli Van Norman, Secretary P O R E E V hat a surprise it was at the April californicus in the Cascade-Siskiyou Na- G I O T 5th NPSO State Board of Direc- tional Monument ~ Evan Frost. A N W N tors meeting, when Bob Ottersberg The NPSO Membership Directo- from the William Cusick Chapter in ries will be out by the end of April. LaGrande walked in! I think the best Thanks to Jan and Dave Dobak for Fo 1 unded 196 part about the Board meetings is the their Membership Committee work. If chance to hear what is happening at the you know someone whose membership Native Plant Chapters. Chapter presidents attend the has expired, encourage them to rejoin! Board meetings to represent their mem- Chapter Current 2003/Expired 2002 Society of Oregon bers, share reports on Chapter happen- Blue Mountain.....................................17/4 ings, and hear about successes and diffi- Cheahmill ..........................................43/13 culties at other Chapters. Corvallis.............................................94/30 World Wide Web And even more exciting is the news Emerald ...........................................122/29 that Bob Ottersberg has offered to serve http://www.NPSOregon.org High Desert .......................................48/25 as the NPSO Eastside Conservation Klamath ...............................................18/2 Coordinator. As conservation is the Mid-Columbia.....................................32/8 E-mail Discussion List main mission of NPSO, it is critical to North Coast.........................................14/5 To join send a message to have this position filled. The job entails Portland ...........................................201/61 [email protected], with the working with Chapters to identify and Siskiyou..............................................89/27 following in the body of the message: participate in conservation-related is- Umpqua Valley.....................................24/7 William Cusick ....................................12/4 subscribe npso sues. Jerry Igo from the Mid-Columbia Willamette Valley...............................43/13 Chapter will also be working with Bob. At Large ...............................................24/4 General Business Address We reaffirmed that conservation is Total .............................................781/232 a core mission of NPSO at a prelimi- P.O. Box 902 Wildflower Show season is upon nary strategic planning session prior to Eugene, OR 97440 us. At the Mid-Columbia Chapter, the regular meeting. We have a good or correspond directly with Officers Jerry Igo reports that they taught a suc- start on identifying goals and tasks for and Committee Chairs listed on the cessful how-to-give-a-wildflower-show NPSO to accomplish. The hope is that inside of the back page. workshop. Bob Ottersberg reported by going through this exercise to create that the William Cusick Chapter is more structure to the organization, we “alive and struggling” as their members Membership Inquiries Only might increase the vitality and member- are far-flung, and they have difficulty Jan Dobak ship of local Chapters and the cachet of finding officers. On a positive note, the 2921 NE 25th Avenue the NPSO organization to influence Chapter remains active by maintaining Portland, OR 97212-3460 conservation issues throughout Oregon. a 2-acre City park and working with an Everyone is welcome to provide input, AmeriCorp volunteer to have local kids and you will hear more about this in Bulletin of the Native Plant help pull weeds. Jack Hausotter report- the coming year. Society of Oregon ed that Umpqua Valley Chapter has a The study of native plants is one of great new meeting location. Their main Editor: Tanya Harvey NPSO’s goals. Every year the Board and difficulty is finding speakers for meet- local Chapters award student grants. ISSN 0884-599. Published 11 times ings and getting new, young members. Dan Luoma, chairperson of the Field per year. Subscription price $18/year. The Corvallis Chapter has held a series Research Grants Committee, recom- Date and issue number on page 1. of successful plant identification work- mended four proposals. The submission date is the 10th of shops this spring organized by an ener- • Conservation Biology of Oenothera each month for the following month’s getic new member. As always the Sisk- wolfii (Onagraceae) ~ Rebecca Currin issue. Send submissions by e-mail to iyou and Emerald Chapters have been [email protected]. •Distribution of Abronia umbellata very busy with numerous activities. ssp. breviflora on the Oregon coast ~ Thanks to Dan Luoma and Esther Opinions expressed in this publica- Nathan Wintle McEvoy from the Corvallis Chapter for tion are those of the authors of the •Myrmecochory and predation of hosting the State Board at the new Col- articles. They do not represent the Trillium ovatum seeds across a range of lege of Forestry Building, Richardson opinions of the Native Plant Society forest age classes ~ Jennnifer Millard Hall, at Oregon State University. The of Oregon, unless so stated. •Effects of Livestock Grazing on next Board meeting will follow the An- Calochortus greenei and Astragalus nual Meeting in John Day, June 22. 48 NPSO Bulletin NPSO CALENDAR State May 17, Saturday,11:00 - 4:00 pm in the northwest corner of Yamhill Event: Spring Wildflower Show and County in Oregon’s Coast Range. Field June 20–22, 2003 Native Plant Sale. Cheahmill Chapter trip participants will pass through Annual Meeting: The Portland will host its 4th Annual Wildflower grassy meadows, oak groves and an- Chapter will host this year’s meeting in Show and Native Plant Sale at the cient conifers. Registration required. John Day. Registration and field trip McMinnville Public Library located at Meet at the Linfield Ave. entrance to and lodging information were included 225 N. Adams Street. Tours of the Na- Murdock Hall on the Linfield College as an insert in the March issue of the tive Plant Garden at the library will be campus in McMinnville.