FNA: Arctostaphylos pechoensis vs. Arctostaphylos regismontana

	Arctostaphylos pechoensis	Arctostaphylos regismontana
	Pecho manzanita	Kings Mountain manzanita
Habit	Shrubs, erect, 1–5 m; burl absent; twigs short-hairy with long, white hairs.	Shrubs or trees, erect, 2–5 m; burl absent; twigs densely glandular-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.	petiole to 3 mm; blade pale gray-green, dull, oblong-ovate, (boat-shaped, tip curved up), 3–6 × 2–3 cm, base auriculate-clasping, margins entire, plane, surfaces smooth or ± finely scabrous, glandular-hairy, glabrescent, (viscid).
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, 4–6-branched; immature inflorescence pendent, (branches congested), axis 1.5–2 cm, 1+ mm diam., densely long glandular-hairy; bracts not appressed, leaflike, narrowly oblong-lanceolate, 5–12 mm, apex acute, surfaces glandular-hairy.
Pedicels	5–10 mm, glabrous.	6–10 mm, finely glandular-hairy.
Flowers	corolla white, conic to urceolate; ovary hairy.	corolla white, conic to urceolate; ovary finely glandular-hairy.
Fruits	depressed-globose, 8–12 mm diam., glabrous.	depressed-globose, 6–8 mm diam., finely glandular-hairy.
Stones	partially to entirely connate.	distinct.
2n	= 26.	= 26.

	Arctostaphylos pechoensis	Arctostaphylos regismontana
Phenology	Flowering winter–early spring.	Flowering winter–early spring.
Habitat	Maritime chaparral on siliceous shale soils	Chaparral, margins of open forests
Elevation	0-300 m (0-1000 ft)	100-600 m (300-2000 ft)
Distribution	CA [BONAP county map]	CA [WildflowerSearch map] [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 regismontana is found in the vicinity of Kings Mountain in San Mateo County. (Discussion copyrighted by Flora of North America; reprinted with permission.)
Source	FNA vol. 8, p. 434.	FNA vol. 8, p. 433.
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. 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. pechoensis, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida
Synonyms	Uva-ursi pechoensis
Name authority	(Abrams) Dudley ex Eastwood: Leafl. W. Bot. 1: 62. 1933 ,	Eastwood: Leafl. W. Bot. 1: 77. 1933 ,
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 regismontana

Pecho manzanita

Kings Mountain manzanita

Habit

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

Shrubs or trees, erect, 2–5 m; burl absent; twigs densely glandular-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.

petiole to 3 mm;

blade pale gray-green, dull, oblong-ovate, (boat-shaped, tip curved up), 3–6 × 2–3 cm, base auriculate-clasping, margins entire, plane, surfaces smooth or ± finely scabrous, glandular-hairy, glabrescent, (viscid).

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, 4–6-branched;

immature inflorescence pendent, (branches congested), axis 1.5–2 cm, 1+ mm diam., densely long glandular-hairy;

bracts not appressed, leaflike, narrowly oblong-lanceolate, 5–12 mm, apex acute, surfaces glandular-hairy.

Pedicels

5–10 mm, glabrous.

6–10 mm, finely glandular-hairy.

Flowers

corolla white, conic to urceolate;

ovary hairy.

corolla white, conic to urceolate;

ovary finely glandular-hairy.

Fruits

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

depressed-globose, 6–8 mm diam., finely glandular-hairy.

Stones

partially to entirely connate.

distinct.

= 26.

Arctostaphylos pechoensis

Arctostaphylos regismontana

Phenology

Flowering winter–early spring.

Habitat

Maritime chaparral on siliceous shale soils

Chaparral, margins of open forests

Elevation

0-300 m (0-1000 ft)

100-600 m (300-2000 ft)

Distribution

[BONAP county map]

[WildflowerSearch map]

[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 regismontana is found in the vicinity of Kings Mountain in San Mateo County.

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

Source

FNA vol. 8, p. 434.

FNA vol. 8, p. 433.

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. 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. pechoensis, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida

Synonyms

Uva-ursi pechoensis

Name authority

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

Eastwood: Leafl. W. Bot. 1: 77. 1933 ,

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

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Flora of North America species comparison

Arctostaphylos pechoensis

Arctostaphylos regismontana

Arctostaphylos pechoensis

Arctostaphylos regismontana