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FOC | Family List | FOC Vol. 12 | Theaceae | Camellia

7. Camellia sect. Heterogenea Sealy, Rev. Gen. Camellia. 152. 1958.

离蕊茶组 li rui cha zu

Camellia sect. Furfuraceae Hung T. Chang; C. subg. Protocamellia Hung T. Chang; C. sect. Pseudocamellia Sealy; Glyptocarpa Hu; Kailosocarpus Hu.

Flowers axillary or subterminal, solitary, subsessile. Bracteoles and sepals 7-11(-17), imbricate; outer 2-5(or 6) bracteoles and sepals caducous after anthesis. Bracteoles small, lunate, semiorbicular, or broadly ovate; inner 5 or 6 bracteoles ± persistent on young fruit, sepaloid, suborbicular, margin membranous. Sepals ± persistent on young fruit. Petals 5-8(-12), white, basally connate. Stamens numerous; outer filament whorl basally connate. Ovary 3-5-loculed; styles 3-5, distinct. Capsules 3-5-loculed; pericarp surface smooth or furfuraceous.

Fourteen species: S and SW China, Laos, N Myanmar, Philippines, Vietnam; 13 species (ten endemic) in China.

1 Leaf blade abaxially not punctate   (2)
+ Leaf blade abaxially punctate or puncticulate   (5)
2 (1) Current year branchlets glabrous.   62 C. szechuanensis
+ Current year branchlets pubescent or villous   (3)
3 (2) Current year branchlets and petioles spreading villous; capsule pericarp furfuraceous.   59 C. pubifurfuracea
+ Current year branchlets and petioles pubescent, villous, or hirtellous; capsule pericarp not furfuraceous   (4)
4 (3) Leaf blade 4-6.5(-11.5) cm, apex acute, shortly acuminate, or caudate; flowers 3-5 cm in diam.; capsule 4-6 cm in diam., 3-5-loculed.   60 C. yunnanensis
+ Leaf blade 2.5-3.5 cm, apex obtuse to bluntly acute; flowers ca. 1.5 cm in diam.; capsule 1-1.2 cm in diam., 1- or 2-loculed.   61 C. tenii
5 (1) Outer filament whorl basally connate for 9-14 mm; capsule 1.2-1.5 cm in diam.   71 C. mileensis
+ Outer filament whorl basally connate for 2-6 mm; capsule 2-7 cm in diam   (6)
6 (5) Leaf blade apex rounded to obtuse   (7)
+ Leaf blade apex variously acute, acuminate, caudate, or cuspidate   (8)
7 (6) Bracteoles and sepals outside glabrous, inside velutinous; ovary glabrous; capsule pericarp smooth.   63 C. paucipunctata
+ Bracteoles and sepals outside velutinous, inside glabrous; ovary tomentose; capsule pericarp furfuraceous.   64 C. gaudichaudii
8 (6) Leaf blade veins adaxially deeply impressed, surface rugose; bracteoles and sepals 12-17, inside velutinous.   65 C. granthamiana
+ Leaf blade veins adaxially raised or slightly impressed, surface not rugose; bracteoles and sepals fewer than 10 (7-13 in C. crapnelliana), inside glabrous or yellowish sericeous   (9)
9 (8) Leaf blade midvein and secondary veins adaxially slightly impressed (sometimes raised in C. furfuracea); capsule pericarp furfuraceous   (10)
+ Leaf blade midvein and secondary veins visible or raised on both surfaces; capsule pericarp smooth   (11)
10 (9) Young branches reddish brown; flowers 4-10 cm in diam.; capsule 5-7(-12) cm in diam., pericarp 5-10 mm thick   66 C. crapnelliana
+ Young branches grayish yellow to grayish brown; flowers 2-3.5 cm in diam.; capsule 2-4 cm in diam., pericarp 2-4 mm thick.   67 C. furfuracea
11 (9) Bracteoles and sepals glabrous; fruit yellowish green; capsule pericarp ca. 1.5 mm thick.   70 C. pachyandra
+ Bracteoles and sepals densely pubescent; fruit reddish, purplish red, or brown; capsule pericarp 5-7 mm thick   (12)
12 (11) Petiole ca. 10 mm, leaf blade papery to thinly leathery, margin sharply pointed serrulate, apex caudate; petals 2-2.5 cm.   68 C. wardii
+ Petiole 3-5 mm, leaf blade leathery, margin serrulate, apex acute; petals 0.9-1.1 cm.   69 C. szemaoensis

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