Calyptridium umbellatum
Norman Jensen

Flora of Oregon, draft

[ in prep. ]

[This taxon will be assessed for treatment in volume 3 of Flora of Oregon, which is not yet published.]

Flora of North America

as described under Cistanthe umbellata

Plants perennial, taprooted; caudex branching. Stems 1 from each rosette, ascending to erect, to 60 cm. Leaves: basal in 2-many prostrate rosettes, blade spatulate, (0.5-)2-7(-15) cm; cauline leaves usually absent. Inflorescences umbellate or subumbellate, dense, globose, 1-2 cm diam. Flowers subsessile; sepals orbiculate, equal, 3-8 mm, scarious; petals 4, white, 3-8 mm; stamens 3, anther red or yellow; style exserted, filiform; stigmas 2. Capsules globose, 2-3 mm; valves 2. Seeds 1-8, black, orbicular-reniform, 0.7-1.2 mm, shiny. 2n = 44.Flowering May-Oct. Dry sandy or gravelly soils; 1500-4300 m; B.C.; Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Photo images

/imglib/_OFPFP/201704/DIG30045_1492399441_tn.jpg
/imglib/_OFPFP/201704/CAL_UMB_5848B_1492398917_tn.jpg
/imglib/_OFPFP/201704/CALYPTRIDIUM_UMBELLATUM2_1492399728_tn.jpg
/imglib/_OFPFP/201704/DIG20370_1492399305_tn.jpg
/imglib/_OFPFP/201704/DSCN3691_1492398715_tn.jpg

Herbarium specimens

/imglib/OSU_ORE/ORE29/06ORE29719_1492397719_tn.jpg
/imglib/OSU_ORE/ORE29/ORE29731_1492397666_tn.jpg
http://www.pnwherbaria.org/images/thumbnail.php?Image=WCW001559.jpg
http://www.pnwherbaria.org/images/thumbnail.php?Image=WCW001562.jpg
https://botanydb.colorado.edu/botany/COLO_V/02354/02354298_tn.jpg