Flora of North America species comparison

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Arctostaphylos hooveri

Arctostaphylos mewukka

Hoover's manzanita

Indian manzanita
Habit Shrubs or trees, erect, 2–8 m; burl absent; twigs densely fine-hairy, with long, white, gland-tipped hairs. Shrubs, erect, 1–3 m; burl present or absent; twigs glabrous or slightly hairy and sparsely glandular.
Leaves

petiole 3–6 mm;

blade glaucous, dull, oblong to ovate, 4–6 × 2–3 cm, base lobed, auriculate, (not clasping), margins entire, plane, surfaces papillate, scabrous, glandular-hairy, ± glabrescent.

petiole 6–15 mm;

blade intensely gray- or white-glaucous, dull, orbiculate, orbiculate-ovate, oblong-ovate, or lanceolate-ovate, 3–7 × 2–7 cm, base rounded, margins entire, plane, apex acute or obtuse, surfaces smooth, glabrous.
Inflorescences

panicles, 4–6-branched;

immature inflorescence pendent, (concealed by bracts), axis 1.5–2.5 cm, 1+ mm diam., densely fine-hairy with long, white, gland-tipped hairs;

bracts not appressed, leaflike, lanceolate, 8–20 mm, apex acuminate, surfaces glandular-hairy.

panicles, 2–7-branched;

immature inflorescence pendent, axis 2–3 cm, 1+ mm diam., glabrous or slightly hairy, sometimes glandular;

bracts tightly appressed, scalelike, deltate to linear-lanceolate, 3–6 mm, apex acute or acuminate, surfaces glabrous.
Pedicels

8–15 mm, finely glandular-hairy.

4–8 mm, glabrous.
Flowers

corolla white, conic to urceolate;

ovary finely glandular-hairy.

corolla white, conic to urceolate;

ovary glabrous.
Fruits

depressed-globose, 6–10 mm diam., glandular-hairy, (viscid).

(dark mahogany-brown), globose, 12–16 mm diam., glabrous.
Stones

distinct.

distinct, sometimes connate.
2n

= 26.

Arctostaphylos hooveri

Arctostaphylos mewukka
Phenology Flowering winter–early spring.
Habitat Chaparral, open conifer forests
Elevation 900-1200 m (3000-3900 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos hooveri is known from the northern Santa Lucia Mountains in Monterey County. Populations are associated with openings in yellow pine forests and patches of chaparral.

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

Subspecies 2 (2 in the flora).

Arctostaphylos mewukka is found on the western slopes of the central and northern Sierra Nevada.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Burls present; leaf blades 2-4 cm wide, apex acute.
subsp. mewukka
1. Burls absent; leaf blades 4-7 cm wide, apex obtuse.
subsp. truei
Source FNA vol. 8, p. 433. FNA vol. 8, p. 421.
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. 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. 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
Subordinate taxa
A. mewukka subsp. mewukka, A. mewukka subsp. truei
Name authority P. V. Wells: Leafl. W. Bot. 9: 152. 1961 , Merriam: Proc. Biol. Soc. Wash. 31: 101, plates 2, 3. 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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