Frank Samuel Crosswhite

Botanist (1940-2008).

Abbreviations: Crosswh.

Occupations: botanist

Dates: 1940-01-01T00:00:00Z – 2008-01-01T00:00:00Z

Direct attributions: 13 plants, 0 fungi

Authorship mentions: 16 plants, 0 fungi

Links:IPNI BHL

13 plants attributed, 3 plants contributed to16 plants:

Penstemon inflatus (Inflated Beardtongue) Crosswh. 1965

perennial plant species in the plantaginaceae family

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Penstemon degeneri (Degener's Beardtongue) Crosswh. 1965

perennial plant species in the plantaginaceae family

Penstemon degeneri is a species of flowering plant in the plantain family known by the common name Degener's beardtongue. It is endemic to Colorado in the United States, where it occurs in and around the Arkansas River Canyon in Fremont, Custer, and Chaffee Counties. This species is a perennial herb producing several stems up to 40 centimeters tall from a caudex. The lance-shaped basal leaves are up to 6 centimeters long. Leaves higher on the stem are narrower and have a fine coat of hairs. The inflorescence bears up to 10 tubular flowers in shades of blue and purple. The flower may be nearly

Pennellianthus frutescens (Shrubby Beardtongue) (Lamb.) Crosswh. 1970

perennial plant species in the plantaginaceae family

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Penstemon pseudoparvus (Mt. Washington Beardtongue) Crosswh. 1965

plant species in the plantaginaceae family

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Penstemon deaveri (Mt. Graham Beardtongue) Crosswh. 1967

perennial plant species in the plantaginaceae family

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Penstemon compactus (Compact Penstemon) (D.D.Keck) Crosswh. 1967

perennial plant species in the plantaginaceae family

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Penstemon amphorellae Crosswh. 1970

perennial plant species in the plantaginaceae family

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Pennellianthus Crosswh. 1970

plant genus in the plantaginaceae family

Pennellianthus is a monotypic genus of flowering plants belonging to the family Plantaginaceae. It only contains one known species, Pennellianthus frutescens (Lamb.) Crosswh. The genus is within the Tribe Cheloneae along with Penstemon, from which Pennellianthus was separated from. Its native range is Russian Far East (within the regions of Kamchatka, Khabarovsk, the Kuril Islands, Magadan, Sakhalin) and also Japan. The genus name of Pennellia is in honour of Francis W. Pennell (1886–1952), an American botanist best known for his studies of the Scrophulariaceae. The Latin specific epithet of

Castilleja roei Crosswh. 1970

plant species in the orobanchaceae family

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Penstemon vulcanellus Crosswh. 1970

plant species in the plantaginaceae family

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Penstemon saltarius Crosswh. 1970

plant species in the plantaginaceae family

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Penstemon × moronensis Crosswh. 1966

plant hybrid species in the plantaginaceae family

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Penstemon decurvus Pennell ex Crosswh. 1965

plant species in the plantaginaceae family

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Penstemon pseudoputus (Kaibab Plateau Beardtongue) (Crosswh.) N.H.Holmgren 1979

perennial plant species in the plantaginaceae family

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Penstemon virgatus var. asagrayi (Gray’s Beardtongue) (Crosswh.) Dorn 1988

plant variety in the plantaginaceae family

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Penstemon leiophyllus var. franciscipennellii (Pennell Beardtongue) (Crosswh.) N.H.Holmgren 1984

perennial plant variety in the plantaginaceae family

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