Classification


Scientific Name:	Engellaria obtusa (Engelm.) Iamonico
Common Name:	obtuse starwort
Family:	Caryophyllaceae
Element Code:	PDCAR0X0U0
USDA Plants Symbol:	STOB
Synonyms/Other Names:	Stellaria obtusa Engelm.

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: May-Sep(Oct)	May-Sep(Oct)
Elevation:	150-2290 (490-7515)
General Habitats:	Lower montane coniferous forest, Riparian woodland, Upper montane coniferous forest
Microhabitat:	Mesic, Streambanks
Microhabitat Details:


CA Rare Plant Rank:	4.3
Global Rank:	G5
State Rank:	S4
State List:	None
Fed List:	None
Other Status:
CRPR Changes:


Total Occurrences:	31
Element Occurrence Ranks:
Excellent (A)	4
Good (B)	7
Fair (C)	7
Poor (D)	0
None (X)	0
Unknown (U)	13

Location


California Endemic: False
California Counties and Islands: Name (Code)
Amador (AMA), Butte (BUT), Calaveras (CAL), El Dorado (ELD), Glenn (GLE), Humboldt (HUM), Lassen (LAS), Nevada (NEV), Placer (PLA), Plumas (PLU), Shasta (SHA), Sierra (SIE), Tehama (TEH), Tuolumne (TUO)
Quads: Name (Quad Code)
Belden (4012113), Berry Creek (3912164), Blue Canyon (3912036), Blue Nose Mtn. (3912077), Boards Crossing (3812032), Butte Meadows (4012115), Calaveras Dome (3812042), Caldor (3812054), Calpine (3912064), Cascade (3912162), Chester (4012132), Clio (3912065), Crandall Peak (3812022), Dogwood Peak (3912171), Dorrington (3812033), English Mtn. (3912045), Garnet Hill (3812043), Graniteville (3912046), Grays Peak (4012146), Greek Store (3912015), Haskins Valley (3912172), Haypress Valley (3912055), Homewood (3912012), Humboldt Peak (4012124), Humbug Valley (4012123), Jonesville (4012114), Kibbie Lake (3811917), Kimshew Point (3912184), Kyburz (3812073), Lake Eleanor (3711987), Lassen Peak (4012145), Leek Spring Hill (3812063), Liberty Hill (3812031), Lyonsville (4012136), Martis Peak (3912031), Meadow Valley (3912181), Mineral (4012135), Mt. Fillmore (3912067), Mt. Harkness (4012143), Norden (3912033), Omo Ranch (3812055), Peddler Hill (3812053), Pine Creek Valley (4012151), Plaskett Meadows (3912267), Pyramid Peak (3812072), Reading Peak (4012144), Red Cinder (4012142), Robbs Peak (3812084), Sattley (3912054), Sierra City (3912056), Soapstone Hill (3912173), Stanislaus (3812023), Storrie (3912183), Stover Mtn. (4012133), Swain Mountain (4012141), Tahoe City (3912022), Trinity Mtn. (4112314), Truckee (3912032), Viola (4012156), Webber Peak (3912044), Westwood East (4012038)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	11	35 %
Logging	8	25%
Recreational use (non-ORV)	2	6%
Grazing	2	6%
Road/trail construction/maint.	1	3%
Mining	1	3%

Notes




Threats:
Potentially threatened by logging, development, fire, trampling, grazing, and hydrological alterations.
Taxonomy:
Sometimes confused with S. crispa.

Selected References

Proposed Non-Substantive Name Changes: Multiple taxa in various plant families from the Jepson eFlora revision 11 (2023)

Acta Botánica Mexicana 128 Pátzcuaro 2021 Epub 28-Feb-2022 (2022)

Account for potential SCC evaluation (2021)

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].

Taxon Report

Engellaria obtusa (Engelm.) Iamonico

obtuse starwort