Flora of North America species comparison

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Arctostaphylos glutinosa

Arctostaphylos nissenana

Schreiber's manzanita

nissenan manzanita
Habit Shrubs, erect, 1–2 m; burl absent; twigs sparsely to densely soft-hairy with some glandular hairs. Shrubs, erect or mound-forming, 0.2–1.5 m; burl absent; bark on older stems persistent, gray, shredded; twigs short soft-hairy.
Leaves

petiole to 4 mm;

blade glaucous, dull, oblong to oblong-ovate, 2–5 × 1–3 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, gray-canescent, glabrescent.

petiole 1–3 mm;

blade gray-glaucous, dull, elliptic to oblong-elliptic, 1–2 × 0.8–1.5 cm, base cuneate to rounded, margins entire, plane, surfaces smooth, sparsely appressed-puberulent, glabrescent.
Inflorescences

panicles, 2–4-branched;

immature inflorescence pendent, branches spreading, curved, (obscured by bracts), axis 1.5–2.5 cm, 1+ mm diam., sparsely to densely soft-hairy with glandular hairs;

bracts not appressed, leaflike, oblong-lanceolate, 5–15 mm, apex acute, surfaces canescent.

racemes, simple or 1-branched;

immature inflorescence pendent, (framed by leafy bracts), axis 0.2–0.5 cm, 1+ mm diam., short soft-hairy;

bracts not appressed, narrowly leaflike, lanceolate, 3–5 mm, apex acute, surfaces glabrous or sparsely hairy.
Pedicels

5–8 mm, finely glandular-hairy.

5–7 mm, sparsely hairy or glabrous.
Flowers

corolla white, urceolate;

ovary densely long white-hairy, hairs often gland-tipped.

corolla white, urceolate;

ovary white-hairy.
Fruits

depressed-globose, 7–14 mm diam., glandular-hairy, (viscid).

subglobose, 3–4 mm diam., glabrous.
Stones

distinct.

distinct.
2n

= 26.

= 26.

Arctostaphylos glutinosa

Arctostaphylos nissenana
Phenology Flowering winter–early spring. Flowering winter–early spring.
Habitat Chaparral, closed-cone conifer forests Shallow shale soils in chaparral and foothill woodlands
Elevation 500- 700 m (1600- 2300 ft) 500-1200 m (1600-3900 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos glutinosa is found in chaparral and knobcone pine woodlands on Monterey Shale barrens near the Pacific Coast in a limited area of the central Santa Cruz Mountains on northern Ben Lomond Mountain in Santa Cruz County.

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

Of conservation concern.

Arctostaphylos nissenana occurs in the western Sierra Nevada in El Dorado, Placer, and Tuolumne counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 431. FNA vol. 8, p. 425.
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. 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
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. 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
Name authority B. Schreiber: Amer. Midl. Naturalist 23: 620, plate 1, fig. 2. 1940 , Merriam: Proc. Biol. Soc. Wash. 31: 102, plates 4, 5. 1918 ,
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).



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