Taxon Details: Sphyrospermum haughtii A.C.Sm.
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Narratives:
Family:
Ericaceae (Magnoliophyta)
Ericaceae (Magnoliophyta)
Scientific Name:
Sphyrospermum haughtii A.C.Sm.
Sphyrospermum haughtii A.C.Sm.
Primary Citation:
J. Washington Acad. Sci. 43(7): 207. 1953
J. Washington Acad. Sci. 43(7): 207. 1953
Accepted Name:
This name is currently accepted.
This name is currently accepted.
Description:
Description: Epiphytic shrubs, sometimes growing over rock; stems terete to subterete, sometimes slightly flexuous, sometimes ribbed, glabrous; twigs subterete, complanate, striate, sometimes inconspicuously flexuous, densely short-pilose to villous with hairs eglandular 0.5-1 mm long, becoming glabrescent. Leaves thick-succulent and concave when fresh that somewhat hide the flowers, the surfaces drying smooth to wrinkled, ovate, (2-)2.3-4 x (1.2-)1.5-2.4 cm, base rounded and shallowly cordate, apex gradually to abruptly acuminate, the acumen ca. 5-8 mm long and obtusely callose apiculate, margin thickened and narrowly revolute when fresh but drying thin and sometimes strongly revolute, lamina inconspicuously pilulose with eglandular hairs ca. 0.5 mm long on both sides, glabrate, glandular hairs also present beneath; 5(-7)-plinerved from base, midrib and lateral nerves raised on both surfaces when fresh, the midrib often strongly carinate or impressed above when dry, the lateral nerves usually totally obscure when dry, tertiary veinlets raised but obscure when fresh, obscure when dry; petiole subterete, 0.5-1 mm long, short-pilose, glabrate. Inflorescences axillary, flowers solitary or in fascicles of 2, shorter than and somewhat hidden by the subtending leaves; floral bract 1, lanceolate, 0.7-1 mm long, sparsely short-pilose; pedicel terete, 7-10 mm long, moderately short-pilose with eglandular hairs 0.2-0.4 mm long; bracteoles 2, basal, opposite, linear, ca. 0.6-0.7 mm long, sparsely short-pilose. Flowers 5-merous, diplostemonous; calyx 4-5 mm long, short-pilose to villous with eglandular hairs; tube turbinate, 2.5-3 mm long; limb campanulate, erect-spreading, ca. 1.6-2 mm long; lobes broadly deltate, acute to short-acuminate, 0.6-1 mm long; sinuses rounded; corolla carnose, urceolate, ca. 6 mm long and 4.5 mm diam., pale yellowish-green, glabrous or often puberulent without with eglandular hairs between lobes, the lobes spreading, deltate, acute, ca. 0.7 mm long; stamens 10, alternately slightly unequal in length, ca. 4.3-4.8 mm long; filaments alternately slightly unequal in length, ca. 1-1.5 mm long, densely villous distally with hairs ca. 0.5 mm long; anthers 3.5-4 mm long; thecae ca. 1.5 mm long, the base straight, without basal appendage; tubules narrower than thecae, ca. 2 mm long, dehiscing by oval clefts ca. 0.5 mm long; style equaling corolla in length. Berry spherical, ca. 9 mm diam., mature color unknown, glabrate; embryo color unknown.
Type: Ecuador. Bolívar: road above Balzapamba, 2400 m, 3 May 1942 (fl), Haught 3302 [holotype US! (photo NY neg. 9450); isotype A!].
Distribution: Endemic to west-central Ecuador. It grows in premontane and montane cloud forest, at 1370–2920 m.
Conservation status: Endangered [EN B1ab(i, iv)].
Updates and other relevant taxonomic sources: Description updated on Jan 2013. For generic synopsis, keys, and evaluation of conservation status see Phytotaxa.
Description: Epiphytic shrubs, sometimes growing over rock; stems terete to subterete, sometimes slightly flexuous, sometimes ribbed, glabrous; twigs subterete, complanate, striate, sometimes inconspicuously flexuous, densely short-pilose to villous with hairs eglandular 0.5-1 mm long, becoming glabrescent. Leaves thick-succulent and concave when fresh that somewhat hide the flowers, the surfaces drying smooth to wrinkled, ovate, (2-)2.3-4 x (1.2-)1.5-2.4 cm, base rounded and shallowly cordate, apex gradually to abruptly acuminate, the acumen ca. 5-8 mm long and obtusely callose apiculate, margin thickened and narrowly revolute when fresh but drying thin and sometimes strongly revolute, lamina inconspicuously pilulose with eglandular hairs ca. 0.5 mm long on both sides, glabrate, glandular hairs also present beneath; 5(-7)-plinerved from base, midrib and lateral nerves raised on both surfaces when fresh, the midrib often strongly carinate or impressed above when dry, the lateral nerves usually totally obscure when dry, tertiary veinlets raised but obscure when fresh, obscure when dry; petiole subterete, 0.5-1 mm long, short-pilose, glabrate. Inflorescences axillary, flowers solitary or in fascicles of 2, shorter than and somewhat hidden by the subtending leaves; floral bract 1, lanceolate, 0.7-1 mm long, sparsely short-pilose; pedicel terete, 7-10 mm long, moderately short-pilose with eglandular hairs 0.2-0.4 mm long; bracteoles 2, basal, opposite, linear, ca. 0.6-0.7 mm long, sparsely short-pilose. Flowers 5-merous, diplostemonous; calyx 4-5 mm long, short-pilose to villous with eglandular hairs; tube turbinate, 2.5-3 mm long; limb campanulate, erect-spreading, ca. 1.6-2 mm long; lobes broadly deltate, acute to short-acuminate, 0.6-1 mm long; sinuses rounded; corolla carnose, urceolate, ca. 6 mm long and 4.5 mm diam., pale yellowish-green, glabrous or often puberulent without with eglandular hairs between lobes, the lobes spreading, deltate, acute, ca. 0.7 mm long; stamens 10, alternately slightly unequal in length, ca. 4.3-4.8 mm long; filaments alternately slightly unequal in length, ca. 1-1.5 mm long, densely villous distally with hairs ca. 0.5 mm long; anthers 3.5-4 mm long; thecae ca. 1.5 mm long, the base straight, without basal appendage; tubules narrower than thecae, ca. 2 mm long, dehiscing by oval clefts ca. 0.5 mm long; style equaling corolla in length. Berry spherical, ca. 9 mm diam., mature color unknown, glabrate; embryo color unknown.
Type: Ecuador. Bolívar: road above Balzapamba, 2400 m, 3 May 1942 (fl), Haught 3302 [holotype US! (photo NY neg. 9450); isotype A!].
Distribution: Endemic to west-central Ecuador. It grows in premontane and montane cloud forest, at 1370–2920 m.
Conservation status: Endangered [EN B1ab(i, iv)].
Updates and other relevant taxonomic sources: Description updated on Jan 2013. For generic synopsis, keys, and evaluation of conservation status see Phytotaxa.
Flora and Monograph Treatment(s):
Sphyrospermum haughtii A.C.Sm.: [Article] 1953. J. Washington Acad. Sci. 43(7): 207.
Sphyrospermum haughtii A.C.Sm.: [Article] 1953. J. Washington Acad. Sci. 43(7): 207.