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9. Omphalogramma (Franchet) Franchet, Bull. Soc. Bot. France. 45: 178. 1898.
独花报春属 du hua bao chun shu
Primula subg. Omphalogramma Franchet, Bull. Soc. Bot. France 32: 272. 1855.
Herbs perennial, with stout woody rhizomes. Leaves basal, petiolate, usually minutely brown punctate. Scapes solitary in each rosette, without bracts. Flowers terminal, solitary. Calyx 5--7-lobed to base; lobes linear-lanceolate. Corolla infundibuliform, rarely campanulate to salverform, slightly zygomorphic, 5--7-lobed; lobes entire, emarginate or dentate at margin. Stamens 5--7, inserted on corolla tube; filaments glabrous or pubescent; anthers oblong to ovate, apex obtuse. Ovary ovoid, superior. Capsule oblong to cylindric, dehiscing by short valves.
Approximately 13 species: confined to the E Himalayas, W China and N Myanmar; 9 species are native to China.
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| 1 |
Corolla salverform, tube cylindric, expanded near apex |
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1 Omphalogramma vinciflorum |
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Corolla infundibuliform to campanulate, gradually expanded upward from base. |
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(2) |
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| 2 (1) |
Corolla campanulate, 1.5--2.5 cm, tube slightly longer than calyx; filaments 1--1.5 mm |
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2 Omphalogramma brachysiphon |
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Corolla infundibuliform, tube at least 2 X as long as calyx filaments 5--8 mm. |
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(3) |
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| 3 (2) |
Base of leaf blade tapering to a broadly winged petiole. |
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(4) |
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Base of leaf blade (at least the lower 1 or 2 leaves) rounded or cordate; petiole distinct from leaf blade. |
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(5) |
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| 4 (3) |
Corolla tube ca. 2.5 cm; style included; filaments glabrous; capsule 1.5--2 cm |
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8 Omphalogramma elwesianum |
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Corolla tube 3--4 cm; style exserted; filaments glandular; capsule 2--3 cm |
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9 Omphalogramma souliei |
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| 5 (3) |
Leaves glabrous adaxially, pilose abaxially |
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7 Omphalogramma forrestii |
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Leaves pubescent. |
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(6) |
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| 6 (5) |
Corolla tube 6--9 mm wide at apex, limb 2--3 cm wide |
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5 Omphalogramma minus |
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Corolla tube more than 1 cm wide, limb usually more than 3 cm wide. |
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(7) |
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| 7 (6) |
Corolla lobes incised-dentate |
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6 Omphalogramma delavayi |
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Corolla lobes emarginate or 2-lobate, lobes entire to obscurely crenulate. |
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(8) |
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| 8 (7) |
Style glandular pubescent |
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3 Omphalogramma tibeticum |
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Style glabrous |
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4 Omphalogramma elegans |
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Lower Taxa
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