Taxon Details

Leptosiphon rattanii

Rattan's leptosiphon

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Taxon Summary:

Leptosiphon rattanii, commonly known as Rattan's leptosiphon, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 1700 to 2000 meters. Leptosiphon rattanii is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Leptosiphon rattanii (A. Gray) J.M. Porter & L.A. Johnson
Common Name: Rattan's leptosiphon
Family:	Polemoniaceae
Element Code:	PDPLM09110
USDA Plants Symbol:	LERA15
Synonyms/Other Names: Linanthus rattanii (Gray) Greene
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S4
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: May-Jul

Elevation:
1700 - 2000 meters
5580 - 6560 feet

General Habitats:

Cismontane woodland
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Gravelly (sometimes)
Rocky (sometimes)

Notes

Notes: A synonym of Linanthus rattanii in The Jepson Manual. See Syn. Fl. N. Amer. (ed. 2) 2: 407 (1886) for original description, and Aliso 19(1):55-91 (2000) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Colusa (COL), Glenn (GLE), Lake (LAK), Mendocino (MEN), Shasta (SHA), Siskiyou (SIS), Tehama (TEH), Trinity (TRI)

Quads: Name (Quad Code)
Brushy Mtn. (3912352), Buck Rock (3912288), Burney (4012186), Crockett Peak (3912247), Forest Glen (4012333), Fouts Springs (3912236), Hull Mountain (3912258), Jamison Ridge (3912362), Kneecap Ridge (3912257), Lake Pillsbury (3912248), Log Spring (3912277), Longvale (3912354), Mendocino Pass (3912278), Newhouse Ridge (3912371), Noble Butte (3912386), North Yolla Bolly (4012228), Panther Rock (4112272), Plaskett Meadows (3912267), Plaskett Ridge (3912268), Potato Hill (3912237), Sanhedrin Mtn. (3912351), St. John Mtn. (3912246), Swim Ridge (4012322), Yorkville (3812382)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory