. Plant species of concern and plant associations of Powder River county, Montana . Figure 25. Photograph of P/iJox aitdicola vegetation encroachment in the more productive settings. Anecdotal observations indicate that it is favored by fall fire and winter glazing. Grazing and disturbances tliat reduce competition may benefit tlie species at low levels. Physaria brassicoides Rydb, Double bladdeipod Mustard Family (Brassicaceae) BLM status: - USFS status: - Global rank: G5, State rank: S2 State status summniy: Double bladdeipod is known from over five occuiTences in Montana, these witli mostl
. Plant species of concern and plant associations of Powder River county, Montana . Figure 25. Photograph of P/iJox aitdicola vegetation encroachment in the more productive settings. Anecdotal observations indicate that it is favored by fall fire and winter glazing. Grazing and disturbances tliat reduce competition may benefit tlie species at low levels. Physaria brassicoides Rydb, Double bladdeipod Mustard Family (Brassicaceae) BLM status: - USFS status: - Global rank: G5, State rank: S2 State status summniy: Double bladdeipod is known from over five occuiTences in Montana, these witli mostly low numbers ofplants. Description: Double bladdeipod is a perennial herb with numerous ascending stems that are 2 to 17 cm long and arising from a basal rosette that surmounts a branched crown and large taproot. The basal leaves are 2 to 8 cm long and are spoon- shaped witli long petioles (Figure 26). The few, alternate stem leaves are broadly lance-shaped. Foliage is covered with silveiy, star-shaped hairs appressed to tlie suiface. The yellow, stalked flowers are borne at tlie tops of tlie steins in a narrow inflorescence that elongates as Hie fruit matures (Figure 27). Each flower has 4 separate Appendix C-11
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Photo credit: © The Bookworm Collection / Alamy / Afripics
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Keywords: ., bhl, bookcollectionamericana, bookleafnumber63, booksubjectbotany
