FNA: Arctostaphylos pechoensis vs. Arctostaphylos edmundsii

	Arctostaphylos pechoensis	Arctostaphylos edmundsii
	Pecho manzanita	little sur manzanita
Habit	Shrubs, erect, 1–5 m; burl absent; twigs short-hairy with long, white hairs.	Shrubs, prostrate or mound-forming, 0.2–1.5 m; burl absent; twigs sparsely short-hairy.
Leaves	petiole 1–4 mm; blade glaucous, dull to ± shiny, oblong-ovate, 2–5 × 1–2.5 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, puberulent, glabrescent.	bifacial in stomatal distribution; petiole 2–3 mm; blade dark green, lustrous, orbiculate to orbiculate-ovate, 1–2.5 × 1–1.5 cm, base truncate to ± lobed, margins entire, plane, surfaces smooth, sparsely puberulent.
Inflorescences	panicles, 1–4-branched; immature inflorescence pendent, (branches dense, framed by bracts), axis 1–1.5 cm, 1+ mm diam., short-hairy with long, white hairs; bracts not appressed, leaflike, linear-lanceolate, 8–15 mm, apex acuminate, surfaces glabrous.	panicles, 2–5-branched; immature inflorescence pendent, (branches crowded), axis 0.5–1 cm, 1+ mm diam., sparsely short-hairy; bracts not appressed, scalelike, deltate to awl-like, 3–5 mm, apex acute, surfaces sparsely hairy or glabrous.
Pedicels	5–10 mm, glabrous.	3–4 mm, sparsely hairy or glabrous.
Flowers	corolla white, conic to urceolate; ovary hairy.	corolla white, urceolate; ovary sparsely hairy or glabrous.
Fruits	depressed-globose, 8–12 mm diam., glabrous.	subglobose, 6–8 mm diam., glabrous.
Stones	partially to entirely connate.	distinct.
2n	= 26.	= 26.

	Arctostaphylos pechoensis	Arctostaphylos edmundsii
Phenology	Flowering winter–early spring.	Flowering winter–early spring.
Habitat	Maritime chaparral on siliceous shale soils	Steep, rocky slopes and bluffs near ocean
Elevation	0-300 m (0-1000 ft)	0-500 m (0-1600 ft)
Distribution	CA [BONAP county map]	CA [BONAP county map]
Discussion	Of conservation concern. Arctostaphylos pechoensis is known from the vicinity of the Pecho Hills, San Luis Obispo County. (Discussion copyrighted by Flora of North America; reprinted with permission.)	Of conservation concern. Arctostaphylos edmundsii is narrowly distributed along the Pacific Coast in the Little Sur region in the northern Santa Lucia Range, Monterey County. (Discussion copyrighted by Flora of North America; reprinted with permission.)
Source	FNA vol. 8, p. 434.	FNA vol. 8, p. 424.
Parent taxa	Ericaceae > subfam. Arbutoideae > Arctostaphylos	Ericaceae > subfam. Arbutoideae > Arctostaphylos
Sibling taxa	A. andersonii, A. auriculata, A. bakeri, A. canescens, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. edmundsii, A. franciscana, A. gabilanensis, A. glandulosa, A. glauca, A. glutinosa, A. hispidula, A. hookeri, A. hooveri, A. imbricata, A. insularis, A. klamathensis, A. luciana, A. malloryi, A. manzanita, A. mewukka, A. montana, A. montaraensis, A. montereyensis, A. morroensis, A. myrtifolia, A. nevadensis, A. nissenana, A. nortensis, A. nummularia, A. obispoensis, A. ohloneana, A. osoensis, A. otayensis, A. pacifica, A. pajaroensis, A. pallida, A. parryana, A. patula, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida	A. andersonii, A. auriculata, A. bakeri, A. canescens, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. franciscana, A. gabilanensis, A. glandulosa, A. glauca, A. glutinosa, A. hispidula, A. hookeri, A. hooveri, A. imbricata, A. insularis, A. klamathensis, A. luciana, A. malloryi, A. manzanita, A. mewukka, A. montana, A. montaraensis, A. montereyensis, A. morroensis, A. myrtifolia, A. nevadensis, A. nissenana, A. nortensis, A. nummularia, A. obispoensis, A. ohloneana, A. osoensis, A. otayensis, A. pacifica, A. pajaroensis, A. pallida, A. parryana, A. patula, A. pechoensis, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida
Synonyms	Uva-ursi pechoensis	A. edmundsii var. parvifolia, A. uva-ursi subsp. edmundsii, A. uva-ursi var. parvifolia
Name authority	(Abrams) Dudley ex Eastwood: Leafl. W. Bot. 1: 62. 1933 ,	J. T. Howell: Leafl. W. Bot. 6: 202. 1952 ,
Web links	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA Local Web sites: CalFlora, CalPhotos WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Arctostaphylos pechoensis

Arctostaphylos edmundsii

Pecho manzanita

little sur manzanita

Habit

Shrubs, erect, 1–5 m; burl absent; twigs short-hairy with long, white hairs.

Shrubs, prostrate or mound-forming, 0.2–1.5 m; burl absent; twigs sparsely short-hairy.

Leaves

petiole 1–4 mm;

blade glaucous, dull to ± shiny, oblong-ovate, 2–5 × 1–2.5 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, puberulent, glabrescent.

bifacial in stomatal distribution;

petiole 2–3 mm;

blade dark green, lustrous, orbiculate to orbiculate-ovate, 1–2.5 × 1–1.5 cm, base truncate to ± lobed, margins entire, plane, surfaces smooth, sparsely puberulent.

Inflorescences

panicles, 1–4-branched;

immature inflorescence pendent, (branches dense, framed by bracts), axis 1–1.5 cm, 1+ mm diam., short-hairy with long, white hairs;

bracts not appressed, leaflike, linear-lanceolate, 8–15 mm, apex acuminate, surfaces glabrous.

panicles, 2–5-branched;

immature inflorescence pendent, (branches crowded), axis 0.5–1 cm, 1+ mm diam., sparsely short-hairy;

bracts not appressed, scalelike, deltate to awl-like, 3–5 mm, apex acute, surfaces sparsely hairy or glabrous.

Pedicels

5–10 mm, glabrous.

3–4 mm, sparsely hairy or glabrous.

Flowers

corolla white, conic to urceolate;

ovary hairy.

corolla white, urceolate;

ovary sparsely hairy or glabrous.

Fruits

depressed-globose, 8–12 mm diam., glabrous.

subglobose, 6–8 mm diam., glabrous.

Stones

partially to entirely connate.

distinct.

= 26.

Arctostaphylos pechoensis

Arctostaphylos edmundsii

Phenology

Flowering winter–early spring.

Habitat

Maritime chaparral on siliceous shale soils

Steep, rocky slopes and bluffs near ocean

Elevation

0-300 m (0-1000 ft)

0-500 m (0-1600 ft)

Distribution

[BONAP county map]

Discussion

Of conservation concern.

Arctostaphylos pechoensis is known from the vicinity of the Pecho Hills, San Luis Obispo County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

Arctostaphylos edmundsii is narrowly distributed along the Pacific Coast in the Little Sur region in the northern Santa Lucia Range, Monterey County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source

FNA vol. 8, p. 434.

FNA vol. 8, p. 424.

Parent taxa

Ericaceae > subfam. Arbutoideae > Arctostaphylos

Sibling taxa

A. andersonii, A. auriculata, A. bakeri, A. canescens, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. edmundsii, A. franciscana, A. gabilanensis, A. glandulosa, A. glauca, A. glutinosa, A. hispidula, A. hookeri, A. hooveri, A. imbricata, A. insularis, A. klamathensis, A. luciana, A. malloryi, A. manzanita, A. mewukka, A. montana, A. montaraensis, A. montereyensis, A. morroensis, A. myrtifolia, A. nevadensis, A. nissenana, A. nortensis, A. nummularia, A. obispoensis, A. ohloneana, A. osoensis, A. otayensis, A. pacifica, A. pajaroensis, A. pallida, A. parryana, A. patula, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida

A. andersonii, A. auriculata, A. bakeri, A. canescens, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. franciscana, A. gabilanensis, A. glandulosa, A. glauca, A. glutinosa, A. hispidula, A. hookeri, A. hooveri, A. imbricata, A. insularis, A. klamathensis, A. luciana, A. malloryi, A. manzanita, A. mewukka, A. montana, A. montaraensis, A. montereyensis, A. morroensis, A. myrtifolia, A. nevadensis, A. nissenana, A. nortensis, A. nummularia, A. obispoensis, A. ohloneana, A. osoensis, A. otayensis, A. pacifica, A. pajaroensis, A. pallida, A. parryana, A. patula, A. pechoensis, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida

Synonyms

Uva-ursi pechoensis

A. edmundsii var. parvifolia, A. uva-ursi subsp. edmundsii, A. uva-ursi var. parvifolia

Name authority

(Abrams) Dudley ex Eastwood: Leafl. W. Bot. 1: 62. 1933 ,

J. T. Howell: Leafl. W. Bot. 6: 202. 1952 ,

Web links

Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).

Choose a data source: Flora of North America

The species comparison tool is brought to you by:

Flora of North America species comparison

Arctostaphylos pechoensis

Arctostaphylos edmundsii

Arctostaphylos pechoensis

Arctostaphylos edmundsii